LOS ANGELES: The Hallmark Channel hopes to promote its latest films and widen its target audience by encouraging viewers to participate with content online.

To raise awareness for its holiday film, The Note, premiering December 8, the network this week launched a microsite for users to post personalized messages to family and friends.

In line with the movie's plot - in which a journalist finds a plane-crash victim's hastily written note and attempts to deliver it by Christmas - microsite visitors ...