Have you ever gotten frustrated when you wanted to open a new account at one of the popular social networking sites such as Twitter, Stumble Upon, Technorati, Reddit, Mixx etc, only to find out that its already in use. If you own a business or have a web presence of your own, you know well how important it is these days to have your business branding present on these social networking sites. Now you can avoid the frustration and check for your desired username to be available on more than 300 social networking sites, all at the same time with just a click of a button.

Not only can you check the availability of a username on this site, but you can also reserve the username on all sites with just one simple process if you are a paid member. This will insure that no one else is trying to immitate your brand or hoarding your branded username.

All this is possible at the KnowEm Username Check website located at http://knowem.com/ . The website allows you a free account so you can check to see if your brand, product, personal name or username is available on 350 social networking sites. You can also create paid profiles, which will submit and secure registration on these sites automatically for you! Do give it a try.