Your info will not be visible on the site. After logging in for the first time you'll be able to choose your display name.
Here are links:
http://www.youtube.com/watch?v=iU9YM1Lfvt8 From the offical A7x-Account!
If this link don't works: Here is another one! (Work's in Germany etc:)
http://www.youtube.com/watch?feature=player_embedded&v=8Y32VRE8D9k#at=22
7/15/13