user experience is not pretty logos, lovely web design or rounded corners. A smile is a user experience and so is an honest and candid reply to a tweet. Experience is not just physical.  It is delivering happiness across as many touch points as often and as frequently as possible, is the ultimate user experience. - Om Malik

I am currently learning a lot about user experience and though the focus has been on physical and digital products, this quote perfectly sums things up for me. Along with a previous quote on what is a product, are now the two most important ideals in building a successful company with a successful product.