And adding them to the "Limited profile" group, and setting your privacy settings so that the default privacy setting for everything you post is "Friends, Except: Limited profile".
Actually, I generally wouldn't care all that much about seeing what they post... unless they post updates annoyingly often, I wouldn't bother to hide them from the news feed.
"Hi everyone, this is Opportunist - I forgot my password and had to register a new account. Friend me please."
I'm not sure what you think you're accomplishing. The only way to avoid being impersonated is to be proactive: if you find a fake profile, report it.
If you think that's bad...
Why would I want to use a pseudonym?
And adding them to the "Limited profile" group, and setting your privacy settings so that the default privacy setting for everything you post is "Friends, Except: Limited profile". Actually, I generally wouldn't care all that much about seeing what they post... unless they post updates annoyingly often, I wouldn't bother to hide them from the news feed.
Perhaps even more impressive is how much people can spend when faced with something that important to them and a virtually unlimited budget.
Honey?