I've been using this for a few years
Download Liquid Resize Retarget for Windows on CrystalXP.net - Software
Looks like Adobe did what I'd expect from a company that can dump huge amounts of cash into improving that kind of technology. With the way PS analyzes images, it doesn't surprise me that they got it this good, this fast.
I wonder how this will affect the believability of those before/after penis enlargement ads they have on porn sites.