www.mumsnet.com/Talk/site_stuff/3245272-MNHQ-here-Mumsnet-s-approach-to-data-protection-and-GDPR
Just in case you've not seen it, mn are proposing to delete pms are 60 days. They are waiting to see what feedback they get - either way - before they decide to do it or not.
It's quite a change, so thought people might appreciate a heads up if it's something they feel strongly about.