"We do think Twitter is potentially a mainstream application. The way I look at it, coming from the blogging world, is that it touches a lot of the same motivations that drive people to blog, especially the more social motivations and the universal desire to put thoughts out there. Now there’s such a low barrier, combined with the ubiquity of mobile, we really think that we can reach very far and wide." - Q&A With Evan Williams, VentureBeat