Happy birthday Twitter! Just today, on the first day of Spring, one of the most important and most used social platforms celebrates its 10th anniversary. But calling it a social network would actually be quite simplistic, because the famous tweeting is often used by Presidents, actors and artists in general who share their thoughts and statements through the the little blue bird. Sometimes it’s important communications about politics or war updates transforming it into our virtual news channel. And other times they just make us laugh. This is the case of viral tweets, the exhilarating ones. The web is, of course, filled with fun tweets, but we picked the 15 that made us laugh most. We cannot choose our favorite…what about you?