[tintor]

`I could still tell because their profiles were sterile`

That is exactly example that parent posted about. Not every fb user is addicted to it, and has used it for long time.

[mixmastamyk]

They weren't new. They were oldish and had lots of posts, but no real "engagement" from others. No significant comments, and a noticeable pattern in their photos, etc etc. I could go on, but not that interesting.