Loser: Social Networking - Social Networking Goes to the Dogs

The pet industry, worth about $40 billion in the United States alone, is in a growth spurt, up 65 percent since 2000. Pet products are branching out as never before in new and glamorous directions - and also in a few weird ones. A $200 RFID dog tag tells owners - and their neighbors - when their pets are alive, at home, and sniffing things.