
Facebook has begun rolling out a restructured left-hand navigation that includes revamped bookmarks and notifications for Pages, Groups and Apps. The changes, originally announced last week, are part of the company’s efforts to make Facebook Apps more engaging. The new version of th…

So far it seems Facebook’s Messenger app is a hit. After launching just Tuesday afternoon, it’s already the number-one free app in the iTunes App Store. The iOS app has more than 600 customer reviews and with 900 ratings has 3.5 of five stars. The app has the potential to chip away at the …

The freefall in stocks continued on Monday with the Dow Jones losing 5.53% and the NASDAQ dropping 6.9% on news of Standard & Poors downgrading its rating of U.S. government-issued debt. Tech stocks were not spared in the selloff, with some names – including those that recently IPO’d – f…
![Is There a Social Media Tech Bubble? [INFOGRAPHIC]](http://mashable.com/wp-content/uploads/2011/05/dot-com-crash2.jpg)
Valuations of social media companies are starting to remind us of 1999. But are they overvalued? Now that Microsoft bought Skype for $8.5 billion, LinkedIn’s IPO valued the company at $8.9 billion after its first day of trading, and Facebook’s estimated value is pushing $100 billion, you migh…