PMG Digital Made for Humans

The Future of Discovery: How Social Search is Redefining SEO & Shaping the Role of AI

September 29, 2025 | 6 min read

Author's headshot

Brelle Pittard, Senior Director of Paid Social

As a Senior Director of Paid Social, Brelle brings over a decade of experience in driving performance and innovation across PMG’s portfolio of retail brands. With a deep understanding of the retail landscape—ranging from Luxury to Specialty—Brelle blends full-funnel strategy with operational rigor to elevate brand performance and deliver best-in-class results. Known for a customer-first mindset and strategic agility, Brelle helps brands navigate the evolving consumer journey through data-driven decision-making, streamlined processes, and a passion for exceptional retail experiences.

Search has evolved far beyond the query box. What was once dominated by Google is now shared with social platforms and, more recently, conversational AI like ChatGPT, Gemini, and other large language models (LLMs). These AI tools are reshaping how people access and synthesize information online, although adoption trends tell a more nuanced story. While AI-driven discovery is growing, social search adoption is accelerating even faster. According to an eMarketer survey, TikTok, Instagram, Reddit, YouTube, and Pinterest surpass Google in daily search frequency among many users, establishing social media platforms as the front door to online discovery.

As LLM adoption grows, social search use surpasses that of AI platforms, with 30% of U.S. search users preferring social and video platforms over the 14% who turn to AI. Notably, younger generations are driving this trend, with 48% of Gen Z searching more often on social platforms than through AI-assisted search. 

It’s not just how platforms are used that’s evolving, but also how people search and discover. Social search has become the most immediate and widespread disruptor to traditional online discovery methods, surpassing even LLM adoption because it’s driven by a unique mix of content, culture, and algorithms. In other words, content fuels the conversation, culture shapes what rises to the top, and algorithms ensure that what surfaces is personally relevant. Together, these forces have transformed search from just a utility into an experience. And unlike traditional search engines built for quick answers, social search is designed for exploration and validation, guided by the user’s intent and mindset as people seek to learn, get inspired, and discover.

To understand how this phenomenon works, it’s important to recognize that social search prioritizes content created specifically for the platforms themselves—such as TikTok videos, Reddit conversations, or Pinterest boards—over the open web. In contrast, Google search acts as an external aggregator, while AI chatbots act as conversational synthesizers, combining sources to generate responses. Now, with Meta integrating AI-powered search across its family of apps, social platforms are both curators of their own cultural content and conversational engines, blending authenticity with personalization in real time.

Search today is a behavior and an ecosystem, rather than a single channel, as the path to discovery is constantly changing and nonlinear, passing through countless entry points. 

A user might start with a Google search, but instead of clicking on a website, they get drawn into a TikTok video or a Pinterest board. Before they realize it, they’re engaging with a product they didn’t even know existed. Curious, they return to TikTok to find tutorials, then visit Reddit for honest reviews, and maybe even send it to a friend via DM to get their opinion before finally making a purchase.

Every one of those actions is a search moment. Collectively, they build an expanding ecosystem of data points that platforms use to provide more relevant results the next time someone searches. Search has become a feedback loop: each query, click, scroll, or share influences the next, creating an endless cycle of discovery, validation, and decision-making.

Paid social search models are so powerful because they aren’t limited to organic searches alone; instead, they combine both organic and paid content signals with their own AI models, visual searches, and predictive engines. This allows them to forecast what people might want to see next, as well as what they are actively searching for. These algorithmic models make these surfaces feel more relevant and personal by learning from the user’s behaviors and additional signals, such as what people with similar preferences are searching for, watching, or engaging with. 

Social content, boosted by AI and algorithms, forms an endless web of discovery paths where inspiration sparks validation, validation leads to community dialogue, and community dialogue loops back into new searches. It’s a continuous cycle, where every action—whether paid or organic, on social media or traditional search—becomes another data point feeding the system.

Paid social search builds on this foundation by letting brands appear directly in native search results within a platform. Unlike Google, where ads lead users straight to a brand’s website, or AI chatbots, which gather and synthesize information from across the open web, paid social search focuses on engaging consumers right within the platform, where search results are shaped by the community, driven by context, and visually native.

On TikTok, paid search ads appear alongside organic results and can be optimized with trending keywords or hashtags. On Pinterest, promoted pins surface within inspiration-driven, contextual queries. On Reddit, paid search ads are shown in community-based environments where users actively validate options and seek genuine feedback. The format is consistent with surrounding content—short-form videos, image-based pins, or text discussions—ensuring paid placements blend seamlessly into the discovery experience. 

Paid social search works best when combined with organic visibility, creator content, and user-generated content (UGC), ensuring brand presence at every moment and touchpoint where users discover, validate, and make decisions on these platforms. This makes social search a powerful tool. Results seem more genuine, connected to the community, and better reflect collective sentiment. Additionally, as platforms develop their own AI models, such as visual search, recommendation engines, and LLMs, the experience is no longer pay-to-play. Instead, visibility depends more on relevance and engagement rather than ad spend alone.

When comparing different platforms, the level of sophistication in social search varies. Each platform provides some form of organic search, enabling users to find content within the platform; however, the real difference lies in the paid infrastructure that overlays it.

TikTok, Pinterest, and Reddit are among the most advanced paid platforms today. These platforms feature layered ecosystems that resemble traditional search advertising in both appearance and functionality. In addition to organic discovery, these platforms support paid search strategies that can be managed as standalone campaigns with their own budgets and bidding structures.

They also enable keyword-level targeting, allowing campaigns to align directly with specific queries, and provide keyword performance reporting to help marketers understand which searches drive engagement and outcomes. Importantly, all three are also fully indexed in Google SERPs, increasing discoverability beyond their own walls and connecting social search directly to broader SEO visibility. However, Instagram and Facebook remain more limited in paid search options. Meanwhile, Meta AI has been more prominently integrated into the search experience across its family of apps. Over the past year, Meta has made significant investments in AI technology and strategic hires to expand its AI capabilities, which now generate synthesized results on both Facebook and Instagram, including content and external sources for discovery. This development rivals tools like ChatGPT and Gemini, combining social content exploration with intent-driven search features. Although it’s unclear how Meta plans to monetize this capability or enable search-related query targeting, it’ll be an important functionality to watch, setting it apart from the rest of the social ecosystem. 

Today on Meta, advertisers can include search placements as part of broader paid campaigns, but it’s not yet available as a standalone paid strategy. Meta also doesn’t currently offer keyword-level granularity in targeting or performance reporting across platforms. While Instagram has recently been indexed in Google’s SERPs, expanding discoverability beyond its own ecosystem, it’s still in the early stages compared to industry leaders. Facebook, meanwhile, does not currently appear in Google search at all.

The landscape shows a clear hierarchy in paid social search offerings, with TikTok, Pinterest, and Reddit representing fully integrated search ecosystems that include organic, paid, keyword targeting, reporting, and SERP integration features. (YouTube is emerging as a social search platform with a solid foundation, but it’s still refining its monetization strategy based on where and how initiatives are activated.)

To understand why social search appears so different from traditional search, it’s important to examine how content priorities in social media have evolved over time.

Early on, brands dominated feeds with organic content, using paid mostly to extend reach. As UGC gained momentum, platforms became defined as much by everyday users as by brand messages. Paid content then took the spotlight, supported by larger production budgets and frequent creative updates, followed by creators who blurred the lines between brands and users, bringing authenticity, credibility, and a native feel that encouraged more users to participate. Over time, this made UGC an always-on conversation, to the extent that for Gen Z, paid UGC often holds more influence than traditional brand content. Algorithms like TikTok’s For You Page and Instagram’s Suggested Reels serve content based on predicted engagement rather than existing connections, encouraging all users to join the conversation or the latest trend. Now, AI adds another layer—content that’s fast, scalable, and increasingly difficult to distinguish from human-made. Each stream of content has its own priorities and resource models: organic content is brand-led, paid content is budget-driven, paid UGC is partnership-based, UGC is community-led, and AI-generated content is driven by algorithms.

Content today doesn’t just come from one or two sources anymore, but from five distinct streams with their own motivations, costs, and levels of authenticity. Regardless of who or where it’s produced, it all contributes to social search discovery. In the era of social search, visibility depends on how relevant your content is to what people are actively searching for and eager to discover, not on how much you spend on paid keywords. As social platforms increasingly rely on their own AI models, visual search, and recommendation algorithms, this shift will continue to accelerate, delivering personalized, contextually relevant results based on what people are searching for, rather than what brands are paying for. 

This shift makes content the central currency of social search. Organic publishing is just as important as paid campaigns. What users say about a brand through UGC can influence search results as much as what the brand itself creates. Paid UGC has become a multiplier, both amplifying brand visibility and sparking new waves of organic participation. AI adds a layer of speed and scale that can't be overlooked. Success in social search comes from integrating all content streams rather than focusing on just one or two.

The rise of social search is also fueling SEO discovery, with visual search and social content driving relevance and increasingly appearing organically in Google’s results. Traditional SEO relied on keywords, metadata, and backlinks to improve visibility within Google’s web ecosystem. However, as discovery increasingly happens on platforms like TikTok, Pinterest, Reddit, Instagram, and YouTube, a new layer of optimization becomes necessary.

This is where SSCO (Social Search Content Optimization) naturally extends from SEO. Just as SEO guarantees visibility on Google, SSCO ensures discoverability within platform-specific searches. It involves optimizing content for trending queries, hashtags, titles, and captions, making sure that what’s created organically and amplified through paid campaigns aligns with how people search in each environment.

What were once considered isolated channels are now serving as complementary ones. Social content is increasingly being indexed in Google SERPs, and user-generated or creator-driven conversations often influence what people later search for on traditional search engines. Meanwhile, AI chatbots are beginning to incorporate social signals into their generated answers. This loop is continuous—and endless.

For organizations, content strategy becomes inseparable from discovery strategy. Integrating SEO and Social Content strategies is crucial to ensure visibility where users are likely to search and for brands to appear for the topics they want to be discovered for. Content acts as the connective tissue, AI accelerates personalization, and relevancy is the ultimate ranking factor across all surfaces. To lead in discovery, organizations must view social search and SEO not as separate silos but as parts of a unified, integrated ecosystem.

In a social-first search ecosystem, there is no single source of truth. Just as the ongoing concerns about cookie deprecation or iOS 14 forced marketers to rethink measurement, social search requires us to triangulate multiple, reliable signals to provide trustworthy direction.

Finding the right balance between paid and organic data points, along with overall brand health and competitive SOV, will be crucial to understanding overall search performance.

  • Paid data: Campaign performance, keyword-level signals, costs, and efficiency metrics.

  • Organic data: Engagement, exposure, and keyword alignment within native platform search. 

  • Platform-native trend data: Insights from tools like TikTok Trends, Pinterest Predicts, Reddit Answers, or YouTube Search Lift that reveal what consumers are searching for and how discovery behaviors are shifting. 

  • SEO and paid search data: Performance in Google SERPs, competitive share of voice, and keyword trend insights that connect traditional and social search.

Together, these signals create a system of truth, a cross-validated framework that decreases dependence on any one dataset and offers a more comprehensive and confident view of performance and opportunity.

While implementing a new measurement system presents a challenge, it’s equally crucial to integrate efforts across paid and organic teams for the best results. Historically, SEO, paid search, and social media teams have operated in silos, focusing on their areas independently. In a world where discovery behaviors are constantly changing—shifting across social platforms, search engines, and AI-driven experiences—these walls must come down. Search and social need to be coordinated, sharing insights, aligning keyword and content strategies, and working together in near real-time.

It’s equally important for content teams (paid media, influencer, organic, and community management) to integrate into this ecosystem. Each team influences the signals that affect discoverability. When they work independently, content can become fragmented, inconsistent, or misaligned with search intent. When they collaborate, content becomes unified, relevant, and optimized for how users search and engage.

This integration of search and content disciplines creates a rapid response system that turns insights into action at every discovery touchpoint in real-time. Organizations can then anticipate cultural shifts sooner, optimize content for discoverability across multiple surfaces, and act with confidence that their strategies are based on a balanced, validated view of the market.

For brands, there’s an opportunity to make strategic shifts to optimize for and win share in a new era of search behaviors. Recognizing that search-fueled discovery is happening across multiple surfaces, all at once, is a critical starting point, paired with experimentation, measurement, and internal alignment on content and campaign priorities. 

What This Means for Brands:
  • Content Planning: Integrate and prioritize content planning across paid, owned, and earned channels to maintain a consistent voice and presence, ensuring uniformity wherever your audience encounters the brand. Remember to include video scripts within content and creator briefings, as social platforms index video content to deliver relevancy.

  • Place Your Bets: Select three to five core themes (or the appropriate number for your brand) to make strategic bets on what you want to be discovered for, with a thread of consistency that shows up with authority.

  • Platform-Native Trends: Stay attuned to native trends to respond swiftly with timely, relevant content on each platform, helping build cultural credibility and increasing your chances of real-time discovery.

  • Data Integration & Measurement: Combine and monitor data pipelines across paid, organic, and owned channels to see what’s gaining traction and what’s not. This enables you to double down on what’s working and pivot away from what isn’t before wasting spend or effort.

Organizations can begin by opting into social search placements and conducting tests, even if the initial costs appear inflated, as these learnings will ultimately pay dividends. Equally important is breaking down existing silos. Social, search, and content teams must work together, sharing insights and aligning on shared keywords, audiences, and creative strategies. Leading brands will develop quick-response creative workflows that are vital for tapping into cultural moments, delivering relevance and authenticity at scale. A mature discovery strategy will ultimately involve content, search, and social media working together as integrated disciplines rather than separately. 

User discovery is no longer achieved by excelling in a single channel but by orchestrating across multiple channels and platforms: traditional search engines, social media, conversational AI, and community-driven content, as a single user interacts across all these surfaces. Content acts as the connective tissue, and AI accelerates this process. Relevancy is the currency. The organizations that focus on integrating these elements and breaking down silos to view discovery as a whole—rather than as separate content streams or channel operations—will be the most successful. They will embody a consistent brand voice and tone, showing up where users are most likely to find them at any given moment.