There are disclosed processes and systems for interactive opt-in messaging. A mobile phone user may enroll in a content delivery service at the invitation of a broadcast program. A content program may then be delivered to the mobile phone. The content program may include a series of messages having interest...http://www.google.fr/patents/US20060258380?utm_source=gb-gplus-shareBrevet US20060258380 - Interactive opt-in-messaging
