The people who can step up my experience are those who have a common set of experiences with people I know. Think about it. How often did a total stranger come into your life to make your evening better? Not very often. But the friend of your friend? That happens all the time.
They will take any life out of your writing.
Over at Barb Bowman, she's arguing that we should turn off Facebook's tracking of ads. I totally disagree; those trackers make newsfeed filtering work better and potentially could help bring me better ads, which improves my life.