Username Checking With Namechk

How do you find out exactly where your user name can be used without modification  on most social sites?Checking availability manually could turn out to be a never-ending task .Namechk is a new service  that helps you find open usernames at 84 different Web  sites. 

Most  impressive about this service is the speed. In a few sample searches, it averaged about 10 seconds from start to finish. And you don't even have to wait to see all the results because they stream in as it does its business.Just type a username into the namechk text field, and within seconds you’ll see sites where your queried username is available in green, and sites where it’s already taken in red