A great article in Wednesday's Fortune on Twitter, The hottest Web startup! Fortune Writer, Adam Lashinsky, not only explains Twitter to his mainstream audience, but also interviews founders Jack Dorsey and Ev Williams. By the way, don't feel bad for Biz Stone as he was profiled in Conde Nast Portfolio, earlier this week.
Lashinsky covers alot of ground, moving from explanation of the service to the Summize acquisition, monetization, Fail Whale and significant milestones. The milestones cited include: