Search Google by Drawing a picture

Ever want to conduct a google search on a picture, but you were unsure of what to call the picture in order to search for it?  No more, there is a search for that!.  Try Search by Drawing.  It is a tool to search google by pictures or by drawing a picture.  Once on the site, you have a palette, use your mouse to draw what you are looking for, or import a picture.  Once you are done uploading the picture or done drawing, click "Search by Drawing" and a google search is performed on the picture.