www.WirelessFederation.com/news: Entel PCS, the Chilean mobile operator, has introduced the Facebook Mobile SMS service. The service will allow the Entel PCS subscribers with a Facebook account to send SMS to short number 32665 (FBOOK) and change their status or check their friends’ Facebook status, change alerts, sent requests, messages to a contact or invite friends. Facebook Mobile SMS users will be charged CLP 50 per sent SMS, while received massages are free of charge.