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I use it almost as a personal blog. Not just sharing selfies and pictures of things I’d rather enjoy in the moment, but slightly longer form thoughts around how I am or what I’m dealing with. In that sense it’s an online support network where I can share my experiences with mental health and other things.

Most of my FB friends do similar, it’s very thoughtful and introspective.

It isn't quite speculation when that is the exact reason Facebook has given, and is right there in the article you linked.

Well, they're saying it's "meaningful."

I'm saying, it's the only reason at least 3 people I know haven't completely deleted Facebook.

You have data on 3 users, Facebook has it for 2.3 billion

I know at least 4 people who are very interested in pictures of my kids ;)