AT&T, T-Mobile, Verizon and Sprint have flipped the switch on databases that will track stolen cellphones and block them from being used on the major carriers' networks. Now, just make sure you've got your phone's ID number written down somewhere, and try not to go into a cellphone coma on the subway.
Read more: http://nakedsecurity.sophos.com/2012/11/01/stolen-cellphone-database/
