Yo is a very silly iPhone app that does one thing – well, not including Easter Eggs – and that’s to send a simple, short “Yo” message to friends. While that sounds very silly, apparently plenty of users downloaded the app and are sending Yos every which way. To date, more than 4 million Yos have been sent by the over 50,000 users that downloaded the app. However, even though it has been released on April 1, the app is not a joke, and the developer behind it convinced an investor to give him $1 million for the app, Think Progress reports.
Read more here: Boy Genius Report