MacRumors - One feature promised in OS X Mountain Lion was the ability to sync Safari tabs between different devices. Macworld reported it in their Mountain Lion Preview, but was unable to actually find the feature in their early build.
Mac World - On June 10, at the keynote for its Worldwide Developers Conference, Apple will presumably unveil details of the next version of OS X. A year ago, it did so for OS X Mountain Lion. The looming anniversary led us to wonder: Now that we’ve been living with Mountain Lion for a while, which of its signature features have we actually ended up using?
Smashiphone: Beta users of Apple’s Messages Beta service feature received an email announcement from Apple recently, with the message noting that the Messages beta service/program feature will come to an end by December 14, 2012.
BIT: Here's a handy way of checking if your software will still work when you upgrade to Windows 8 and Mac OS X.