The company behind Rounds – a video hangout app for mobile and Web – has decided to keep the socializing just among friends. Referring to its "young user base" (it says 70% of its users are under 25, though it has yet to catch on at my son's high school), this week announced that the less than 3-month-old app was "retiring" its "Meet New People" feature "to focus on longer, more meaningful video … [Read more...] about Details, context on Rounds, Vine & other video-sharing apps