Sidewiki is added to Webmaster Tools labs.

<<Google Sidewiki lets users contribute helpful information to any webpage. Use this tool to create a special page owner entry for this website.>>

http://lh4.ggpht.com/_J7sG-Fm0a5Q/S5C_zFzfViI/AAAAAAAACBE/JzbTPqAjHPE/s912/sidewiki.jpg