By now, most of us have seen the Google Naps and Hasselhoff photobombs and the other big-name April Fool's pranks, but plenty of fun, clever, and exciting pranks have flown totally under the round-up radar for one reason or another. Here's a rundown of April 1st gems you might have overlooked:

Yahoo - Went the extra mile to one-up Google and demonstrated its fake bug-sharing service (Yahoo Bugs) by releasing a whole bunch of bugs into the Yahoo offices.