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there are a few REALLY BIG accounts powering down - 3/4 of the dlive crew, and jerry banfield, to name just 2

Oh dear - jerry powering down worries me. Do you know why?

It's hardly a surprise. He got exactly what he came for (top 20 witness income stream) now he's probably moving onto the next big thing. My guess is EOS.

Well, it is kind of a surprise to me. I follow him is other places and came here because he was so excited when he found steemit.

I don't think the "top 20 witness income stream" was an issue for him last year - back then it was all about the change to earn money and gain an audience for posting your content. I've been too busy trying to do that to follow anything about witnesses since I understand nothing about them. But Jerry has my vote lol.

That's the main concern in all of these. Power-downs are a form of retrogression for Steemit at this stage but they can't be avoided as they are relative. They occur on individual basis as need be. Hence we just got to cope with it.