Nir’s Note: This guest post is by Ryan Hoover. Ryan blogs at ryanhoover.me and you can follow him on Twitter at @rrhoover.

When Snapchat first launched, critics discounted the photo-messaging app as a fad – a toy for sexting and selfies. Their judgements were reasonable. It’s impossible to predict the success of a product on day one, let alone its ability to change user behavior. But hindsight is beginning to prove critics wrong.

You can read the Nir and Far blog post on: Hooking Users One Snapchat at a Time https://www.nirandfar.com/2013/08/hooking-users-one-snapchat-at-a-time.html

Nir & Far, a podcast about business, behaviour and the brain by Nir Eyal. If you enjoy this podcast, please subscribe on iTunes and leave an iTunes review. It will greatly help new listeners discover the show. Please visit my website Nir and Far for other info about my writing, books and teaching: http://www.nirandfar.com/