Evan Williams, Biz Stone,... www.abebooks.com

Infantil: EVAN WILLIAMS,... www3.livrariacultura.com.br...

Twitter's Complicated Past:... medium.com

The Twitter Story -... www.businessinsider.com

Jack Dorsey sets his sights... www.dailymail.co.uk

La historia de Twitter será... www.lanacion.com.ar

sddefault.jpg www.youtube.com

Hatching Twitter' Review:... www.buquad.com

From Many Tweets, One Loud... www.nytimes.com

Twitter ya era un lío antes... hipertextual.com

There were a lot of... finance.yahoo.com

Jack Dorsey source:... nypost.com

Jack Dorsey - Wikipedia en.wikipedia.org

Hatching Twitter: poder y... www.lasexta.com

The real history of Twitter... www.nbcnews.com

The Twitter Story -... www.businessinsider.com

Twitter case analysis | PPT... www.slideshare.net

Two-Hit Wonder | The New... www.newyorker.com

11 defining moments in Jack... www.nydailynews.com