Facebook's North-American ARPU for the 2nd quarter was $3.20 (http://seekingalpha.com/article/756141-facebook-why-shares-are-cheap-if-the-company-can-boost-its-

Facebook's North-American ARPU for the 2nd quarter was $3.20 (http://seekingalpha.com/article/756141-facebook-why-shares-are-cheap-if-the-company-can-boost-its-annual-revenues-per-user http://seekingalpha.com/article/756141-facebook-why-shares-a...). My main point was that a 5$ ONE TIME charge is way too low. Typically ARPU is calculated over a certain period of time (monthly, quarterly, yearly).