February 28, 2025 • 5 min read • By the Sommos Team
Picture this: your friend sends you a message at 7pm on a Friday — "just tried the best ceviche of my life at this place around the corner from your office, you have to go." By Saturday you're there. Now contrast that with how you behave when a restaurant app's algorithm suggests a similarly rated place. You probably scroll past it.
The gap between those two scenarios represents one of the most important dynamics in food tech today. Despite billions of dollars invested in restaurant recommendation algorithms, social trust remains the primary driver of restaurant choice. Understanding why that's true — and what it means for how we build food discovery tools — is central to what we're doing at Sommos.
Modern recommendation algorithms are genuinely impressive. They can analyze your past behavior, compare it against millions of similar users, factor in time of day, weather, your location, even your expressed mood — and surface options that objectively match your stated preferences with remarkable accuracy. So why do they feel so hollow?
The answer lies in the nature of trust itself. When an algorithm recommends something, you know it's optimizing for some combination of your past behavior, the restaurant's paid placement, and platform engagement metrics. You can't fully trust it because you know it has interests beyond yours. You don't know if the five-star reviews are authentic. You don't know if the place has declined since those reviews were written. You don't know if the people who loved it have anything in common with you beyond a few data points.
When your friend recommends something, all of that uncertainty collapses. You know their taste. You know their standards. You know they're not getting paid to tell you this. And crucially, they're sharing something that genuinely excited them — which itself is a high bar. People don't gush about average meals. They gush about memorable ones.
Across consumer surveys and behavioral studies of restaurant discovery, personal recommendations consistently outperform every other discovery channel by wide margins. When people are asked how they found their new favorite restaurant, the answers cluster heavily around a few categories: someone told them in person, they saw it on a friend's social media, or they noticed a friend checking in there. Algorithmic recommendations and paid advertising account for a tiny fraction of genuinely memorable new restaurant discoveries.
The conversion rate tells an even sharper story. A personal recommendation from a trusted contact converts to an actual visit at a rate that can be ten times higher than a push notification from an app suggesting you might like a nearby restaurant. People act on trusted social signals. They filter out everything else.
This matters enormously for how food discovery products should be designed. If the goal is to help people find great restaurants — actually help them, not just generate engagement metrics — then social trust networks are the right foundation, not behavioral data models.
Food discovery has characteristics that make algorithmic approaches particularly challenging. Tastes are highly contextual: you might love spicy food but not want it for a work lunch. You might be adventurous in your home city but want something familiar when traveling. You eat differently when you're with your family versus your colleagues versus a first date.
Context is something algorithms are getting better at — but they still can't fully capture the social context that determines so much of restaurant choice. Eating is fundamentally social. We eat with people, and those people shape what kind of eating experience we want. An algorithm that doesn't understand who you're eating with, and what kind of shared experience you're hoping to create, is working with fundamentally incomplete information.
Your friends understand that context intuitively. "You'd love this place for a date" or "the group tables are perfect for your work dinners" are pieces of information that arrive naturally in a social recommendation and are essentially impossible for an algorithm to infer.
This is the core insight that Sommos was built around. We don't think the answer to food discovery is a smarter algorithm. We think the answer is building the infrastructure to make social recommendations travel faster, farther, and in a more organized way than they do in normal conversation.
When you follow your friends on Sommos, you're not just following their public reviews. You're tapping into an ongoing stream of their genuine food experiences — the places they loved, the dishes that surprised them, the hidden spots they want you to know about. That stream is filtered by real trust, not by an optimization function that doesn't share your interests.
We add structure to that social signal: you can filter by cuisine, neighborhood, price range, or occasion. You can see not just what your friends liked, but why — what they ordered, what the vibe was like, whether it's good for groups. You can save places to visit and see when friends have already been somewhere you're considering.
Algorithms aren't bad. They're useful for certain things — helping surface restaurants you might not have seen otherwise, filtering by logistics, showing you trending spots. We use them too. But we use them to support social discovery rather than replace it. The trust has to come first.
For restaurant operators, the implications are significant. If social recommendations are the primary driver of new customer acquisition, then the strategies that matter most aren't the ones that generate anonymous online reviews or pay for algorithmic placement. They're the ones that create genuine advocacy — experiences so good that people want to tell their friends.
That means: memorable food, yes, but also a distinctive identity, real hospitality, the kind of personal touches that give people a story to tell. The best marketing strategy is still being undeniably worth talking about. In 2025, the infrastructure to spread that word-of-mouth recommendation has never been more powerful.
Experience food discovery built on social trust. Sommos connects you with restaurants your friends actually love. Explore the app →