Thought this was cool. Guy is using VO+Saffy and possibly some buttons would be different with JAWS+IE or something.
Would be nice to hear how accessible the video chatting stuff is for the Deaf and other accessibility in general.
Like most Google services, Accessibility seems to have no priority at Google.
Some services like GMail have a simple screen reader view, but by itself it is not a 100% alternative for the normal GMail view.
In Google+ an essential action like adding a friend to your circle seems to be impossible with a screen reader.
If you have many visually impaired in your social network you can better stay on Facebook.