Quote Originally Posted by Mokoi View Post
Does a blizzcon virtual ticket hold the only way to get into the demo? And does one ticket on a bnet account give you access for all accounts on that bnet?
I can confirm that Classic is unlocked for all accounts on the bnet with the ticket. I can also confirm that ISBoxer works with the demo without requiring any updates.

A virtual ticket or an actual ticket are the only ways to get the demo, from the info on the Blizzcon site.