Twitter API changes

With Thursday’s Twitter API changes, App.net could not have gotten better news. Suddenly, Dalton Caldwell’s vision of a subscription-based Twitter clone seems quite clever.

Yet, when it comes to creating a competitor to such an ubiquitous service, App.net now has to face many challenges. Most of them will be very hard to overcome — even harder than reaching its $500,000 funding goal. There's no doubt as to when the dot-com bubble popped: it was on March 10, 2000, the day the Nasdaq peaked at 5,132.52. But when exactly did the social media bubble pop? Was it Nov. 23, when Groupon shares fell below their $20 IPO price or this week, when they neared