While yes, I'd go with all of the above. My biggest thing now is those push-to-talk phones. It was bad enough that I had to hear one side of a conversation, but know I have to hear both sides of conversation.
When you're in the grocery store I can't think of a single reason why the person you're talking to needs to have his/her voice coming out a speaker. I regard PTT as one of the most annoying technologies to come out in the past ten years.
This one tip will help you sleep better tonight
A few seconds are all you need to get a better night's rest.