docomo will launch a social network like service, docomo community (ドコモコミュニティ),  on March 2, 2009.  The service bills itself as a way to share photos and journal entries between friends and family members, and seems especially targeted at sharing between children and parents.  This is shrewd marketing on the part of docomo, who along with SoftBank and au introduced content filtering earlier this year, blocking sites in categories including SNS for all users under 18.  Perhaps in part to preempt others from crying foul, the site will not have any user search feature and to add a "friend" will require a user to input the other user's i-mode email address.  The service itself will be free (though normal packet charges apply), and be limited to users with FOMA handsets and above (non docomo handsets will not be supported).

(Hat tip: matsuiさん)