If users are not doing what the designer intended (when users are investing time, effort, etc in your product), the designer may be asking them to do too much.

Companies leverage two basic pulleys of human behavior to increase the likelihood of an action occuring: the ease of performing an action and the psychological motivation to do it.

Habit-forming products often start as nice-to-haves, but once the habit is formed, they become must-haves.

Instead of relying on expensive marketing, habit-forming companies link their services to the users' daily routines and emotions.

Reducing the thinking required to take the next action increases the likelihood of the desired behavior occurring unconsciously.

For an infrequent action to become a habit, the user must perceive a high degree of utility, either from gaining pleasure or avoiding pain.

Why not live now instead of someday?

Products with higher user engagement have the potential to grow faster than their rivals.

Users who continually find value in a product are more likely to tell their friends about it.

Like flossing, frequent engagement with a product, especially over a short period of time, increases the likelihood of forming new routines.

To initiate (user) action, doing must be easier than thinking.

Reading furnishes the mind only with materials of knowledge it is thinking that makes what we read ours.

This means that I don't have to run faster than the psychotic-maniac-vampire-cannibal, I just have to run faster than whoever is with me when the psychotic-maniac-vampire-cannibal starts chasing us.

Oh, dear--did I forget to mention that you can, indeed, have it all, but you need a lot of help!

I realized that I'm a child."William looked point-blank at her chest. "No.

After silence that which comes nearest to expressing the inexpressible is music.

Try to go out empty and let your images fill you up.

I was lightweight - that was the whole point of me

I'll remind you all, however, that for government, existence is a privilege, not a right.

I came in as an established artist. People were hiring me for what I did and for who I was. I think that has given me a vast amount of leeway; I feel so lucky that I came in that way.

A leader leads by example not by force.