1 week after an event starts if they havent started they are gone. If i know them in real life they get hidden. But other than that the rest are from the forum list so I'm not too fussed.
Ourside of an event if you dont have things for me to tap after several visits (a couple of weeks as I only visit 2-3 times a week outside of an event) I look and if its 3 or more weeks I cut.
Though I put my name on the list and someone I used to have as a friend has added me again. (I only collect new friends every 3 or 4 events keepping my friends around 60 ish
