The document is a study on Twitter's rise, usage, and potential business models, conducted by Fabernovel and L’Atelier in December 2009. It examines Twitter as a public micro-blogging platform distinct from social networks like Facebook, its rapid growth due to mobile internet adoption, and its significance in real-time news distribution. The study also discusses how users, including individuals, companies, and public institutions utilize Twitter for communication, marketing, and information sharing.