"We’re pleased to announce that we have decided to lift the confidential nature of the StarCraft: II Beta Test. This means that beta testers are free to show and discuss the game with your friends, as well as take screenshots, record gameplay videos, etc. So feel free to share that amazing game you just played. Enjoy!"
-Avarius
Source: http://forums.battle.net/thread.html?topic...09&sid=5000
Might be old news but I thought I would share.