'Digital Samaritans' and lost 'n' founds

It's great to see a good news story for a change, so don't miss the one in the New York Times about how more and more people are using social-network and -media sites to get found valuables and critters back to their missing owners (case studies for digital citizenship training?!). New, altruistically minded lost 'n' found Web sites are also popping up, as are some startups who see a business opportunity in all this.