Share and share alike - Windows 8

Play with the Share charm in every app.
Windows 8 is Microsoft’s first social-media-aware PC operating system. Using the Share button located on the Charms bar, you can pick any number of elements from your Windows 8 Store apps—say, a location from your Maps app, a news story from the Finance app, or a even a contact from your People app—and then distribute that item to friends via other Windows 8 programs.
Perhaps most conveniently, you can quickly share a photo via email or Twitter, or to your own SkyDrive or Windows Phone. The Share button is contextual, and the more you use it, the more you’ll discover which apps share with each other, and which don’t. (Hint: None of your desktop apps offer sharing opportunities through the Charms menu.)