Just realised I neglected to mention this here.
Alex has now started his own startup blog – if you're enjoying reading this one, then you might like to read Alex's which balances out both sides of the view on what's happening.
His latest post on product strategy and two mistakes we've made is very thought provoking:
At this stage of our startup, what we need is a product that will wow people not by good usabilities, but by solid, ground-breaking data analytics that people wouldn’t even consider a possibility before.
…last year, someone talked that there are “core features, support features and craps”. Looking back, I think lots of the craps looks actually quite beautiful while the core features will usually be clumsy, unintuitive and lack of basic polish.