Thanks to advances in nanotechnology, RF and MEMS, researchers say a cloud of miniature self-organizing sensors could monitor chemical spills or tell you your milk is sour.

Dust 'Motes' making their way into modern technology

For anyone who read the earlier post of "VeriSign Rerouting .net DNS queries", here is a little more information.

http://www.haque.net/verisign_dns_rant.php

This was taken off of NANOG (North American Network Operators Group)where a fairly involved thread about what problems this creates for the global internet is in progress.