Reminds me of this other thread from a post about a CRM for keeping track of personal associations:

https://news.ycombinator.com/item?id=14498633

Facebook has a huge opportunity to help people stay connected with those closest to them -- and keep track of a wider circle of friends and family members -- in ways that actually evoke empathy and care, rather than jealousy and attention-seeking.

But I suppose that would run counter to their advertising funnels...