Prostitutes engage in which kind of touch with their clients?

This is a social network that allows people to use their mobile phones to "check in" and announce their location to friends via texts, Facebook updates, and tweets

A) Woof B) icommunication C) Foursquare D) Earthjustice E) Omnicomm

Media preferences have been found to be an even-more important aspect of identity for social networking site users than “classic” identity markers. Name at least two “classic” markers.

What will be an ideal response?