Specifically, section 560.540 of the ITR authorizes the exportation from the United States or by U.S. persons, wherever located, to persons in Iran of services

Specifically, section 560.540 of the ITR authorizes the exportation from the United States or by U.S. persons, wherever located, to persons in Iran of services incident to the exchange of personal communications over the Intemet, such as instant messaging, chat and email, social networking, sharing of photos and movies, web browsing, and blogging, provided that such services are publicly available at no cost to the user. (ITR, section 560.540(a)(1).)