 There are a ton of social networking websites, but one stands apart for a very special reason. This one saves lives. It's matchingdonors.com. Matchingdonors.com links organ donors with people in need of kidney and other transplants. In the U.S., 19 people die each day waiting for an organ transplant, most of them for kidneys. If you've ever considered becoming a living organ donor or if you have someone in need of an organ transplant, visit matchingdonors.com.