We're seeing more and more fake Twitter accounts being auto-generated by the bad boys.
The profiles look real. They have variable account and user names (often German) and different locations (US cities). They even upload different Twitter wallpapers automatically.
All the tweets sent by these accounts are auto-generated, either by picking up keywords from Twitter trends or by repeating real tweets sent by humans.
And where do all the links eventually end up to?
Of course, they lead to fake websites trying to scare you into purchasing a product you don't need: