Ideas for my next project - Catch a cheater online!?

Hey, it seems like the world is going to crap these days, huh? Funny...Anyways, I need some ideas and some really good ideas here people. The next project will be deployed after this one major one. The point of this project is basically a program that will capture the wayward lover input- mouse clicks, sites, pictures sent out, email sent out whatever. Now, this information will be sent to your website, email or something. Now, if there was some way to track cell phones that will be great - huh? This new feature calls upon Spyder Deployment. The purpose of a spyder is basically just a rough draft to grab the other users I.P address, or whatever. I'm not sure-it's just idea right now. I need help with more ideas of what you want in this program. This program is the ones that hearts have ached over and over again.