For over a decade now, the Citi Bike program has been a popular way to get around New York City. With thousands of bikes scattered across the city, ready to ride at a moment's notice, ridership has continued to soar.

The bike-sharing program rewards users who help redistribute bikes around New York City. A few riders have figured out how to turn that into profit.

A New York Times article Thursday highlighted a lucrative side hustle that is emblematic of the times we live in: gaming algorithms to earn money. In this

Lyft, the parent company of Citi Bike, is cracking down on users exploiting its Bike Angels program for profit through a practice known as "station flipping."