Want to change your BattleTag® to something new? Every Battle.net account gets one free change-but if you've already used yours, you now have the option to purchase additional BattleTag changes.

The Battle.net Mobile Authenticator has recently been updated for both iOS and Android.

Friend request accepted! You can now chat with your Battle.net friends directly through the desktop app for Battle.net.

We're continuing the Battle.net®-related testing we mentioned previously. As part of this, we're now inviting beta testers to help test and refine a new desktop app for Battle.net  designed to improve the launcher experience for all Blizzard games and streamline the ability for players to get into their games.

The Battle.net World Championship taking place in Shanghai this November will be the culmination of more than 30 StarCraft II World Championship Series tournaments around the world. Several StarCraft II national champions as well as other top players from various global regions will compete to determine one global champion. With the North America Finals just finished this past weekend, and two more continental finals on their way (Europe and Asia), we’re pleased to present the official Battle.net World Championship mini-site.

We're pleased to announce that in most regions, PayPal will be our payment-service partner for the Diablo III auction house, allowing players who trade with real-world currency the ability to cash out the spoils of their battle-torn adventures via a PayPal account.

The Battle.net Mobile Authenticator, an application for mobile phones that provides an extra layer of account security, is now available as a free download for Windows® Phone 7 devices on the Windows Phone Marketplace. The Battle.net Mobile Authenticator provides a one-time password that you use in addition to your regular account name and password when you log in to a Battle.net account to play World of Warcraft or StarCraft II.

Are you ready to watch your favorite StarCraft II and World of Warcraft players fight for fame and fortune? Blizzard Entertainment is pleased to announce the 2011 North American Battle.net Invitational.