The website makes it easy to discover great new apps with a bigger, brighter interface. You can also send apps directly to your Android device with just a few clicks—no wires needed. We’ve built in new social features, too. You can share apps with your friends through Twitter. And you can read and post app reviews directly to Android Market from the web or from your device.Google shows off the newest update for it's tablet operating system.
And what about all those apps you’ve already purchased and downloaded? Sign in to the website with your Google account and click “My Market Account” to see all the apps you’ve purchased or downloaded. It makes managing all your apps quite easy.
Info courtesy of Google Mobile Blog.