How to Keep Track of Who Has Your Stuff!

My wife and I are pretty giving people, happy to lend our friends the occasional DVD movie or other trinket to make them happy.  The problem is, it's easy to forget who has what!  Few things are more embarrassing than repeatedly asking one friend to return something, when someone else had it all along.  That's why I'm doing this from now on...

Especially in this day and age, when almost everyone has a camera at their fingertips, there's really no reason not to do this!