> Many people seem to use "I've met this person" as a criteria for adding someone one Facebook. That seems like a pretty solid filter for me. > But meeting so

> Many people seem to use "I've met this person" as a criteria for adding someone one Facebook. That seems like a pretty solid filter for me. > But meeting someone doesn't necessarily mean you know their full name Which is why Facebook's policies and technology is so great: I can easily find and add a new friend who I just met even if I don't have their last name yet. > neither does it mean that they want you to know it I can't plausibly imagine any real world scenario where I would willingly share my first name but not my last, but maybe that's just because my name is pretty identifiable. > Also, how do you prove to Facebook that this is "the name you go by" if they challenge it? That's the difficult part, and what Facebook is trying to find a good answer to.