[E. Pluribus Unum]

It will almost certainly still be available in the meta-data the government records.

Unless you disconnect the GPS antenna or put the phone in a faraday cage pouch.

http://www.instructables.com/id/Faraday-Cage-Phone-Pouch/

[marktwain]

Very interesting.

[TexasGunLover]

Unless you disconnect the GPS antenna or put the phone in a faraday cage pouch.

Completely useless. Modern smartphones have gyroscopes, store and forward when connectivity is restored. Don't sweat it, been happening since the 1990's, as is every conversation you've had on any device since around then, including your cable boxes, sat TV boxes etc, and etc.