Ficheiro:Biz Stone.jpgDescriptionBiz Stone.jpg Biz Stone, co-founder of Twitter Date 24 November 2007, 13:23:19 Source originally posted to Flickr as Biz Stone Author Juan Fernández
Ficheiro:Biz Stone-20080723.jpgDescriptionBiz Stone-20080723.jpg English: Biz Stone, co-founder of Twitter Deutsch: Biz Stone, einer der Gründer von Twitter. Date 23 July 2008, 22:55
Ficheiro:Biz Stone (2).jpgDescriptionBiz Stone (2).jpg English: Biz Stone Date 17 October 2009, 11:15:50 Source https://www.flickr.com/photos/joi/4020697780/sizes/o/in/photostream/
Ficheiro:Biz Stone (4).jpgDescriptionBiz Stone (4).jpg English: Biz Stone Date 22 November 2010, 11:21:30 Source https://www.flickr.com/photos/joi/5197945259/sizes/o/in/photostream/