These are good programs to look into if you are a dog owner. Or want to be. I hear that Greyhounds are low maintenance and even-tempered. Here's a link to an Arizona organization to give you an idea of how it works.
I have read about this program and think that it is a wonderful idea. I don't know much about pets because I am way too busy to take proper care of it. I bet this would be great for an older person looking for a companion.