(Just the intro in spanish, the rest goes in english) Update: 5 years of twitter now. 200 million of users. Jack relates how the idea of Twitter came to his mind 19 years ago. And when the world was ready for twitter: in 2 weeks he programmed the basic prototype of this awesome social network that is changing the world. He was interviewed by me, while I was Tech Correspondent of Reforma Newspaper in Mexico City. This interview happened at Marriott Hotel, in the Alliance of Youth Movements Summit... October 15, 2009. Mexico City.