I’m a fan of the Get Elastic blog. However, I just saw something a bit odd today. They used to have a post about the optimum number of steps in a checkout process.
This image is copied from that post:
However, this post has now vanished. They’ve had a one page checkout since 2006 but have recently been touting their success with it.
Conspiracy? Something else? Who knows. Seems a bit strange though!

Shopping Cart Blog » Blog Archive » Magento One Step Checkout
September 4th, 2010