[arethuza]

I can think of rather more companies who failed because there was no market for their products than companies who failed because while there was a market the product didn't work. Indeed I have been involved in spending tens of millions of investors money learning this fact during the Dot Com years.

If people really need your product then they will excuse it being a bit crap (Exhibit A: most enterprise software). However, if your product is a work of technical genius but doesn't do anything useful for anyone then it is surely doomed.