In 2005, Getty Images was building their software using traditional waterfall practices. At the time, they were generating over US$500 million in annual revenue, most of which flowed directly through their e-commerce website. The site was seeing 11 million unique visitors per month, delivering over 10 million images, and handling 6 million searches per day. This hugely popular site was a 24-7 global cash register for Getty Images and any site downtime affected revenue instantly. (leankit.com)