If you're not already in the small group of testers for Valve's online competitive multiplayer game Dota 2, you might be soon. Announced on Valve's Dota 2 blog, the developer is upping their tester volume, thanks to an upgrade in worldwide dedicated Dota 2 server capacity. For a chance to be part of the next wave of testers, you must complete the Dota 2 Survey in your Steam client. You must have the latest version of the client for that link to work, incidentally...