"What's up?" not really a question, insists Martin Tannenhall.
"When I greet a neighbor with 'What's up?,' the last thing I'm looking for is a long recap of everything going on in their lives. God, imagine?" Joe insists that the term is merely a form of greeting, no more inquisitive than "Hey." If you need to answer at all, Joe suggests you keep it short. "Stick with 'Not much' or 'The usual,' " Joe advises. "That's fine. Good enough."
