AngelList

Tiny Review is like Instagram for local reviews

Building the "Trust Graph." TripAdvisor for Professional Services

Visual travel discovery

Twitter & Facebook updates you want

Facebook powered personalization and marketing for premium retailers.

TripAdvisor and SurveyMonkey for Study Abroad

The "like button" for the world around you

A new way to record and share dining experiences

Ex-Google and TeleNav engineers helping families discover their city | AngelPad 2012S

Share what you're up to & get recommendations about restaurants, movies and things to do

Passive, Persistent Mobile Social Network

Discover the Best Restaurant Dishes

Recommendation sharing & discovery.

Local discovery based on community reviews

Airbnb x GrubHub for catering in 22,307 cities

Your Social App Guide

Travelocity for Moving

Pinterest + GroupMe + eBay

Recommendations and media management for the modern family

Turn your browser into an intelligent assistant

Online tipping and appreciation service - pay anyone with 1 click.

Interest Ranking & Recommendation Platform (Mobile & Web apps)

Online dining community

Real-Time Social Marketing Optimization