Don't you just love it when big sites and companies make little slip-ups?
Earlier an ad campaign for Overwatch went up on IGN before being taken down again quickly. The reason? It contained the release date for the game, as well as mention of a beta that would be starting a few weeks earlier. Whoops.
Spotted by Reddit user DeadpooltheGreat, they managed to capture some screencaps before IGN took down the adverts:
Since the news was already out, Blizzard have since come out to confirm that the release date is indeed May 24th, and there will be a beta weekend for pre-orderers starting from May 3rd before the rest of the beta period from the 5th to the 9th will be a totally open, free for all beta before the game is taken offline again for the final few tweaks. The open beta will be on both PC and consoles and will feature everything that we've been shown - all 21 heroes, all the maps, full progression system. Also if you pre-ordered you'll get an extra key to give to a friend to give them access to the first two days that are otherwise closed off.
There's even been some videos put out to give all the information out:
Again, don't you just love it when little slip-ups like this happen? Somehow it makes big reveals like this even better.