Some other interesting stats tells us that 44% use Facebook, 40% consider themselves "gamer", only 16% have a blog and only about 6% use Twitter.
And if you want to know where attendees to the Microsoft Tech Ed Australia 2008 come from, check the Connect Map.
Other related posts:
Registrations open for Microsoft Tech.Ed New Zealand 2010
Connect with your local .Net user groups
Microsoft Tech.Ed Online: Office and UC