Yo. → June 19, 2014 Derek Kessler, for iMore: Yo is dumb. It’s a dumb concept, it’s a dumb use scenario, it’s a dumb app. That it’s taken on this bizarre life of its own is utterly perplexing and flummoxing. For all the great things that our smartphones do, there’s so much stupid shit like this that just, I, I don’t know what to say. They've raised one million actual dollars in funding.What the fuck.