yeah definitely had something to do with hardfork 20
all witnesses that were switching to it switched back. we are on 19 now again. hope this won't reoccur when the switch is finally made.
some months ago there was a 3 hour timeout or something.
this one yesterday was a very long one, could be the longest one ever.
blockchain stops operating.
steemit, busy and so on technically weren't down.
steemit inc has a twitter. they had a little bit of info yesterday. best to search for that: steemit+twitter.