# Professor Adam Alter's book, "Irresistible," is cited in an article on Instagram's design updates

1 Faculty News July 19, 2019 ![Marie Claire logo](/sites/default/files/styles/246w/public/assets/images/marie-claire-logo-feature.jpg?itok=PlwNaFt0)>

Excerpt from [Marie Claire UK](https://www.marieclaire.co.uk/entertainment/technology/instagram-hiding-likes-663841) -- "New York University professor [Adam Alter](https://www.stern.nyu.edu/faculty/bio/adam-alter), author of Irresistible: The Rise of Addictive Technology and the Business of Keeping Us Hooked explains that when we get ‘likes’ on social media our brain releases dopamine, known as the pleasure chemical."

[Read more](https://www.marieclaire.co.uk/entertainment/technology/instagram-hiding-likes-663841)