My Mobile Phone 'Call Value' and Resolution

From today I have decided that when I call someone on their mobile and they don't answer, I am now going to make a note of the time they take to ring me back. I will not answer their call then  but mkae them wait the exact same time duration that I had to before I try to contact them back.

Basically if someone thinks I'm unimportant and make me wait 45 mins before they call back, I am going to do the same to them.

Could be an interesting study on how much your 'friends' or 'contacts' value you?

For example I called my golf partner at 10:41 regarding the weather, he didn't pick up but rang me back at 11:11 so I will wait until 11:41 before calling back, giving him the same 30 minutes 'value of call' status that he gave me.