What?  You thought the announcement of Google Motion was the prank?

Yeah, that was kinda funny.  But it isn't all Google has in its fun bag for today:

(1) Searching 'Helvetic' on Google changes the font on the search page to everyone's favorite font: Comic Sans.

(2) Google has added various wild animals to its maps on Google Earth. For example, a narwhal in England, a dragon in Germany, and The Loch Ness Monster.

(3)  Google blimp ads

(4)  Job openings for autocompleters

(5) Much more