Today is April 1 -- that's right, April Fool's Day, the holiday where everybody gets to be a comedian. As you've probably noticed, pranks can get a little carried away today, especially on the Internet, where it's often hard to tell what's real or not on a normal day. So, today we're taking a little break from the world of online business to highlight the best of today's annual pranks.Virgle: Virgin and Google are going to the moon! Do you have what it takes to be a space pioneer? Click here to find out!Wish email could do even more for you? Now it can! Google's Gmail system announced "Custom Time" -- a way to send emails into the past and future! Click here to read about it. Is your flight overbooked? No problem! Fly WestJet and ride in the overhead compartment!The Microsoft - Yahoo merger has already happened, according to this fake report from InfoWorld. Lastly, Pizza Hut had some glitches in their attempt to fool the world into thinking they've changed their name to Pasta Hut. Click here to read more, or here to check it the website, but do it quickly -- April Fool's Day is almost over.