“It was just a way to annoy your friends” Yo co-founder Or Arbel tells me. His minimalist messenger hit 3.5 million users at its peak thanks to the mainstream press’ sudden fascination with an app that only let you send people the word “Yo”. Most of those users quickly evaporated because Yo wasn’t very useful. Yet. But … Continue reading Yo Tries To Make Itself Useful With Photo And Link Alerts From 150 Sources