Link to April 7 New York Times article, "Lost in the Real World, Found via Cyberspace".
Excerpt: Plenty of people like Ms. Surman are acting on the same impulse these days and embracing a new role: digital Samaritan. The Internet may allow bad guys to stalk people or steal their identities. But it also makes it easier to give something back, because of sites and tools that can help people reunite strangers with lost valuables like wallets, cellphones and cameras.
Companies are also moving to exploit the fact that millions of people have published information about themselves on the Web. Traditional lost-and-founds are migrating online, and a batch of start-ups and hobby Web sites have sprouted with the aim of harnessing people’s altruistic impulses to return lost items.