I find April Fools rather lame. But every so often someone comes up with a dandy little joke. The winner for this decade has to be this one, today, from The Guardian (as seen on Slashdot). Awesome!
The examples are hilarious. My favourite? This one:
“OMG Hitler invades Poland, allies declare war see tinyurl.com/b5x6e for more”
Made my day, to be honest.