Google [GOOG] has finally opened it Google Wave web based tool to everyone. Google Wave lets users chat and collaborate on projects together, it was launched about six month ago and users were accepted into the program on an invite only basis.
The tool is now available for everyone to use, check out the video below which explains how Google Wave works using Google Groups.
Starting today, we are making Google Wave openly available to everyone as part of Google Labs. You no longer need an invitation to wave — simply visit wave.google.com and sign right in. Likewise, if you are a Google Apps administrator at a business, school or organization, you can now easily enable Google Wave for all your users at no extra cost.