Next generation digital painting technology published in 2007. Also applicable to other water-based paint media like watercolor.
See http://visgraph.cs.ust.hk/MoXi/ for details. New cool stuff on the way for 2014 so watch this space.
Body reshaping and advanced image retouching for fashion model shoots used to be why we needed Photoshop experts. With this tool it looks like there will still be a need for clean up and compositing but nothing like the complexity that was required for a convincing result.