Yes we all keep missing good posts. Yay good list. Search could be better for sure. Personally I hope something like steemchat is integrated vertically into Steemit. But it would be great if www.telegram.org channels could be embedded into ones page now one can have 10,000 followers along with Musicoin etc Kind of design your own page with things which are relevant to you.
RE: Three things Steemit needs to fix before the masses will adopt it (a non-scientific opinion of a typical user)