Nir’s Note: This guest post was authored by Lisa Kostova Ogata, one of the first product managers at Farmville and a VP of Product at Bright.com (sold to LinkedIn). While at Zynga, Lisa learned how to shape user behavior, but in this essay she describes her surprise when she found herself unexpectedly hooked.

I don’t consider myself a gambler. I’m the person who places a minimum bet at the roulette table with the specific intent of getting a free drink — after all, it’s cheaper than buying one at the bar. Yet, there I was on a Monday night, glued to my computer screen for over an hour as I watched an online auction. I couldn’t resist.

You can read the Nir and Far blog post on: The Secrets of Addictive Online Auctions https://www.nirandfar.com/online-auctions/

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/