Desire engines
![](https://blog.experientia.com/uploads/2012/03/screen-shot-2012-03-25-at-5-36-09-pm.png)
Nir Eyal’s third Techcrunch article on behavioural engineering, delves into the topic of “desire engines”. “Desire engines go beyond reinforcing behavior; they create habits, spurring users to act on their own, without the need for expensive external stimuli like advertising.…