Other corollary: Don't say "hey, need something." in an IM. Just tell me what you need in the first message. It takes combined less time for you to continue ty

Other corollary: Don't say "hey, need something." in an IM. Just tell me what you need in the first message. It takes combined less time for you to continue typing the original message than it does to send a message, interrupt me (or multiple people!), so I can wait for you to finish typing what you actually need.