sometimes I have no filter so I will just say things without it being reciprocal - something the internet tends to enable.

Haha, me too! I think I'm a bit better at it these days, but ten years ago I was a terrible oversharer online.

I do find determining whether people are friends or acquaintances hard - I won't be the first to declare someone a friend its usually the other person doing that for better or worse.

This is really interesting! I'm not sure I've ever had a moment where I made a conscious decision that someone was a friend or a close friend, and I'm sure I'm in friendships where the two of us have mismatched ideas about our respective closeness, but I'm kind of okay with that.