On the local Belgian google homepage I noticed an alternative google logo today (like they have been doing in the past on special occasions).
http://img187.imageshack.us/img187/8076/lol1uy7.jpg
When clicking the special logo, google gives no results. Instead they gave a hint to correct their own spelling ... talking about AI...
http://img511.imageshack.us/img511/4803/lol2bv4.jpg