“But since they had never used those features, they didn’t know how much they wanted them.”
Marco is talking about why he pulled the free version of Instapaper, but I think the above quote applies to so much in life. Like food, until you try it you have no idea how much you may like it (or hate it). ((My wife will probably get a kick out of me saying this — given that I am a very, well, picky eater.))