I too am included as a friend on my 17 year old sons my space and my 15 year old daughters (both their idea not mne
. It is a great way to monitor what they are up too and just helps you stay involved in their lives, I also received and accepted about 15 friend requests from their friends, which is great. I use this as a gage on which friends of theirs to encourage the friendship with. If they are inviting me to their web pages I figure this can only be a good sign.