Google has a whole list of these (ActionableIM, OnlyHello, ContextPlz); I'm into FastHello
1. Open the chat window, and type your question with no "hello". Do not press enter. 2. Instead, press Ctrl-A and then Ctrl-X to cut your question out of the chat window and into your clipboard. 3. type and send "hello" 4. Pause 2-5 seconds 5. Ctrl-P and enter to send your full question.