cellphone's

A cellphone's location data can provide details about, for instance, how fast traffic is moving along a stretch of highway.

Apple, Google Collect User Data Julia Angwin 2011

Comparing the names and signal strengths of nearby Wi-Fi hotspots against a database allows for a cellphone's location to be determined within 100 feet, in many cases, Skyhook says.

Apple, Google Collect User Data Julia Angwin 2011

And to take advantage of a cellphone's GPS capability and obtain detailed call logs, Hader must first put in a request to the state's attorney's office for a subpoena that he can then send to the carrier.

Maryland family helps to catch a thief using cellphone's GPS technology Annys Shin 2010

A cellphone's radiation levels are far too low to damage body tissue.

The Cellphone Panic 2011

And to take advantage of a cellphone's GPS capability and obtain detailed call logs, Hader must first put in a request to the state's attorney's office for a subpoena that he can then send to the carrier.

Maryland family helps to catch a thief using cellphone's GPS technology Annys Shin 2010

And to take advantage of a cellphone's GPS capability and obtain detailed call logs, Hader must first put in a request to the state's attorney's office for a subpoena that he can then send to the carrier.

With cellphone gadgetry, Md. family helps to catch a (chatty) thief Annys Shin 2010

And to take advantage of a cellphone's GPS capability and obtain detailed call logs, Hader must first put in a request to the state's attorney's office for a subpoena that he can then send to the carrier.

Maryland family helps to catch a thief using cellphone's GPS technology Annys Shin 2010

Taken together, the government argued that it could track a cellphone's location without having to show probable cause.

Judges Weigh Phone Tracking Julia Angwin 2011

And to take advantage of a cellphone's GPS capability and obtain detailed call logs, Hader must first put in a request to the state's attorney's office for a subpoena that he can then send to the carrier.

Maryland family helps to catch a thief using cellphone's GPS technology Annys Shin 2010

Also, thanks to the portability of cellphone numbers, one in 10 potential cellphone interviewees lives in a state other than the one indicated by the cellphone's number, and four in 10 live in a different county than indicated, according to Scott Keeter, Pew's director of survey research.

Survey Says: Cellphones Annoy Pollsters Carl Bialik 2011