Please be advised that when you visit http://donotcall.gov there is a
link (hidden) in the source code that contacts an AT&T server which then
tracks your every move. This was reported on TechTV this morning. Here
is the code:

img BORDER="0" NAME="DCSIMG" WIDTH="1px" HEIGHT="1px"
SRC="http://g6589dcs.nyc2.aens.net/DCS000003_6D4Q/njs.gif?dcsuri=/nojavascript"