Marketing is getting someone to do something at some point in their personal buying cycle.  Knowing those trigger points and sending the right message at the right time first requires having a library of trigger messages at the ready that can be personalized for any player.  Messages like:

• Download the demo!
• Upgrade to the full version for access to…!
• Install the … add-on pack today!
• Be the first to own … !
• Invite a friend and get …!
• Subscribe to our feed to hear the latest on …!
• Like us on Facebook and get…!
• Go premium to block these ads!
• Share this link!