http://daringfireball.net/linked/2010/02/11/facebook-login
"it’s a fascinating glimpse at just how confused many people are about how
web sites and browsers work.
They don’t use bookmarks, they don’t type “facebook.com” in the location
field. They just Google for whatever
they’re looking for and assume the first result is correct. All this
argument over whether the iPad is too simple
— if anything it’s probably still too complex."