I agree, a purge is a good step, although it's not a total solution. It feels like spring cleaning. The privacy/notification tools on each site update over tim

I agree, a purge is a good step, although it's not a total solution. It feels like spring cleaning. The privacy/notification tools on each site update over time and so do our interests in people and topics, so it makes sense to go in and jig things around every once in a while.