There is the famous story about Steve Jobs when he invented the iPod and everyone in the news and the rest of the tech industry scratched their head a little. MP3 players had been around for quite a while, what was so different about the iPod?
Of course, people argued many things were different, but one of the key aspects was how Jobs marketed and presented it: “1,000 songs in your pocket”. When everyone else was saying “1GB storage on your MP3 player”, telling people about the product, Apple went ahead and made you a better person, that has 1000 songs in your pocket.
Here’s how our friends at User Onboarding explained features vs. benefits: “People don’t buy products; they buy better versions of themselves. When you’re trying to win customers, are you listing the attributes of the flower or describing how awesome it is to throw fireballs?”
(1) The article also quotes Jason Fried: “Here’s what our product can do and Here’s what you can do with our product sound similar, but they are completely different approaches.”
(2) Cf. What problem are you solving?