Path: Mobile social networking company shutters, Walmart buys S.F. grocery delivery service and more Bay Area funding news

A pair of high-profile, venture-backed companies from San Francisco have shut down in recent days. Path Inc., a mobile social networking company founded by former Facebook product manager Dave Morin and ex-Napster founders Dustin Mierau and Shawn Fanning, announced its end on Monday. The original idea was to limit each user to to just 50 friends and provide a more private alternative to Facebook. The friend restriction was later removed and the service peaked at around 15 million users with...