I was thinking it would cool if there was a small dot that reminded you that you needed to reply. For example if you looked at a message, but couldn't reply at the time, then this would tell you that the other party is still waiting on you to say something. I think this would be great because I for one sometimes forget to respond after looking at it. Also this should be customizable to a per contact basis, so that it is not set for everyone. For example for billing reminders, or automated messages, this would not be very useful. Please support and incorporate. Thank you!