Laura Pappano:

Most homes in Ulan Bator have Internet connections, and almost everyone, including nomads, has at least one cellphone.

Even on the steppe, with only sheep in sight, you can get a signal.

Lesley M. M. Blume:

Disconnecting is a luxury that we all need.

Libby Purves:

There is a thrill in switching off the mobile, taking the bus to somewhere without CCTV and paying cash for your tea. You and your innocence can spend an afternoon alone together, unseen by officialdom.

An FBI spokesperson, who asked not to be named:

No one is beyond the reach of the FBI. We will find you.