If you think Yo is one of the silliest apps ever created — although some people might find certain special uses for it — you’d be wrong, because at least with Yo, you can sort-of communicate with your friends. The silliest messaging app ever created might be Ethan, available as a free download from the App Store, that only serves one strange purpose, and that’s to communicate with Ethan… and Ethan alone.
Read more here:: Boy Genius Report