Google bought Writely to help build out what we know today as Google Docs. Here is a picture of a car's license plate at Portola Valley, California with the text, WRITELY.
Next to the plate is a bumper sticker that reads, "my other computer is a data center - Google." Guess who's car this is...
The picture was taken on January 27, 2011 using an HTC Nexus One.
For the original picture, see it on Flickr.