Livestreaming app Blab, which amassed 3.9 million users in just one year, shut down this weekend, its CEO Shaan Puri announced with a post on Medium late Friday. The app, which competed with Twitter&#
<a target="_blank" href="http://www.blabpredicts.com">Blab</a> is launching a platform that allows businesses to predict — up to three days in advance — which social media conversations are going