For my own part... I guess I've been here a month or so, and am also not quite as excited about it as I once was. I think Hubski's greatest feature is what's holding it back: subscribing to people instead of topics isn't working out as expected (for me). More often than not, the pattern appears to be this: - I'm on a thread about something I find interesting, and PersonX posts something that just blows me away - So I subscribe to PersonX - As it turns out, PersonX spends most of his/her time posting about things that bore me to tears, and the one post I followed him/her for was a rarity I grant there are some times where PersonX might post something great about something I'm not usually interested in, but you know... even a great work can be boring if its about something you don't care about. Never mind any of the other problems. This, and no collapsing comments, are taking Hubski from a "yay" to a "meh" for me.