Remember that you’re not competing against other services. You’re competing against people’s habits. The companies that are truly out there disrupting things are the ones that drive a wedge into people’s habits. They say things like, ‘You used to walk out to the street to flag a taxi down. Now with Uber you can hail a car from your desk, so break that habit of leaving the building.’ As you’re creating your product, always be thinking about what people currently do and how you can very purposely create a new set of habits around your service. That’s what retention is — helping people build a routine around the utility you provide. Successful tech companies are built on new habits they helped form.
Without [mental time travel], there would be no planning, no building, no culture; without an imagined picture of the future, our civilization would not exist.
The science of mental time travel — fascinating read on memory and how our ability to imagine the future made us huma.