Entrepreneurs Yo, from stupid to bubble to the most useful app of 2014 Daniela Monteiro Apr 23, 2015 Last year was quite chaotic to Or Arbel. He created the dumbest app of them all: a one single feature app that just says YO. That simple. The app is so lean that it was rejected... continue reading
Jul 8, 2026 Portuguese founder mapping the world’s empty rooftops looks to expand following investment from Dubai venture firm
