Josh Williams, who previously co-founded Foursquare’s main competitor, Gowalla, gave the app a nice send-off as well, remarking on how different the web used to be at the time these apps were ...

Tristan Walker, 30, has worked at startups like Foursquare and Twitter -- but now he’s paving a new route in Silicon Valley. In 2013, he launched Walker and Company Brands, a health and beauty ...