Our family uses RTM and the reminders go to everyone. I'd like a profile for each family member so that reminders are based on a tag, list, or other attribute. The profile would also control the delivery method. So my son would get an SMS to empty the trash but nobody else would be notified. But a reminder of an after-dinner activity would go to everyone: via SMS to the kids, via Email to me, and via SMS plus email to the wife.