However, products utilizing infinite variability stand a better chance of holding on to users’ attention, while those with finite variability must constantly reinvent themselves just to keep pace.

What habits does your business model require? What problem are users turning to your product to solve? How do users currently solve that problem and why does it need a solution? How frequently do you expect users to engage with your product once they are habituated? What user behavior do you want to make into a habit?

Hooked users become brand evangelists—megaphones for your company, bringing in new users at little or no cost.

Sorry, we’re unable to display this type of content.

Habit-forming companies tend not to rely on paid triggers for very long,

“Take a human desire, preferably one that has been around for a really long time … Identify that desire and use modern technology to take out steps.”

As a readily accepted aspect of interface design, these calls to action don’t need to tell people how to use them; the information is embedded.

Finding customers’ internal triggers requires learning more about people than what they can tell you in a survey, though. It requires digging deeper to understand how your users feel.

What were the moral implications of building potentially addictive products?