tedster - 3:24 pm on Aug 29, 2011 (gmt 0)
At first this seemed a bit crazy to me. But the more I think about it, the more it makes sense. Other social sites have been plagued by fake names, cyber-squatting and the like. This was especially true on Twitter and Facebook, and maybe not so much on LinkedIn.
So I now understand this as an "announcement of intention" from Google. What remains to be seen is how well they can enforce it - it's a pretty adventurous restriction.