A couple years ago, when I started a Facebook account, it was really good at prompting me to add friends. The “People you may know” tool was based on some magic algorithm that actually showed me people I knew. Lots of them. I was able to build something like 200 friends who were actually friends in some capacity.
I never went much beyond that, mostly because the tool is no longer highly visible in Facebook. It’s hidden among all the other stuff that has adhered like barnacles to the right side of the screen. Or maybe it’s only in the feed view and not my account view, or whatever.
The people appearing there nowadays are further from my friend window. Maybe people I know from business, friends of friends, wives of friends, bandmates of friends. For the business peeps, there’s LinkedIn, and for everyone else, let’s call it NothingBook.