April Fools' Day is this Sunday. It's a bit of a shame when it falls on a weekend, as companies have a smaller online audience for their practical jokes. So, we'll take time today to celebrate some of the more amusing hoax ads from past April Fools' Days. Unruly Media has combed the archives and come up with a list of the most-shared April Fools' hoax ads of all time.  Check out the top 10 below. Google, in particular, revels in its annual scams. Google Translate for Animals? Don't kid yourself—one day it will happen.