You could already do that with Google's "Search by Image"... http://www.google.com/insidesearch/features/images/searchbyimage.html http://www.google.com/inside

You could already do that with Google's "Search by Image"... http://www.google.com/insidesearch/features/images/searchbyimage.html http://www.google.com/insidesearch/features/images/searchbyi...