A few months ago the Windows Live Team launched a number of exciting new additions under the Windows Live Web Toolkit. One of which was the Windows Live Web Toolbar. This toolbar allows you include presence information into your site as well as other social experiences.
In this tutorial at LiveSide, you will see how easy it is to incorporate the Web Toolbar into your own site.
First of all, you need to have access to the Windows Azure development portal. In order to use the Web Toolbar you need to register with Azure and receive an application ID and secret Key.
Once the procedure is implemented, you should see the Windows Live Web Bar sitting along the bottom of your page.
Full read at LiveSide.