"We use CIQ software solely to improve the customer's network and wireless service experience," the AT&T spokesperson says. "This is in line with our Privacy Policy and provides a great benefit to users of our network."

TechCrunch reports that Nielsen will license certain Carrier IQ software from AT&T. Ericsson, IBM, Symphony Teleca and Teradata are among Carrier IQ customers, and T-Mobile uses its software, the site says.

The Carrier IQ website is offline. AT&T acquired the rights to its software, though it didn't purchase the company outright -- which means it shouldn't be on the hook for any ongoing lawsuits against Carrier IQ, TechCrunch says.

[Image credit: Flickr/Mike Mozart]