It's April Fools' Day, which means we should all brace ourselves for the inevitable, widespread prankage. If you haven't prepared your own pranks, we've already got ten ready-to-go geek pranks for your perusal.
Our compendium of great geek pranks includes everything from the classic Blue Screen of Death screensaver to the clever Upside-Down-Ternet. Even better: They're relatively harmless, all-in-good-fun pranks. If you're looking to have a little geeky prank fun, head back to our previous guide to the ten best harmless geek pranks.