"More specifically, it seems impossible to overstate just how big of a win this is for Twitter. This is a deal that Facebook seemed destined for and would have further cemented their hold on social identity. Now their single sign-on solution looks very weak, by comparison. Twitter must be laughing at it, backed by 200 million devices, each with access to 400,000+ apps — many of which should soon feature Twitter fabric woven deep. Here, at least, light blue beats dark blue." - × × ×