I had been wondering what the uptake of OpenID (or OAuth) logins would be given the amount of friction removed by the various providers' login offerings. It's not surprising that the majority of logins are coming through Facebook, just through sheer volume of users on that site. There's also the benefit of posting status updates as you publish a blog post on TypePad:
http://everything.typepad.com/blog/2009/08/happy-together-ty...As we move beyond Web 2.0, I think this ability to [relatively] seamlessly connect disparate sites will become second nature to web users. It's possible that in a couple of years people will bristle at the need to create a new username and password for a site they want to use.