Exactly the same reason why your text is green. How did Bugs pop out in a different hole than the one he went into!?
My guess would be that they only login when they want to reply to something. Lousy guests! Register and post for the sake of our entertainment! Have you ever hazed someone?
I probably gave my mother a heart attack a number of times. what's your favorite part of thanksgiving dinner?
"What is one of the main reasons for America's obesity"? Have we forgotten that this is the Q&A thread, not the IQOne thread?