It is very interactive and user friendly. This toolbar integrates a lot of services and tools within it and it has analytics built in.

The Wibiya toolbar features:
Integration with your Facebook and Twitter account, Facebook like button and Twitter follow button
Direct chatting with your visitors
Integration with whos.amung.us to show the number of your visitors online
Translation widget which translates automatically your content
Show your YouTube video gallery

I have it installed on this site. You can use it on the bottom of this page.