Open sourcing their platforms like Acrobat and Flash would kind of make sense, but I have a hard time seeing any upside to opening up Photoshop. It's not like t

Open sourcing their platforms like Acrobat and Flash would kind of make sense, but I have a hard time seeing any upside to opening up Photoshop. It's not like they can sell service and support for it, as there's an entire industry around training and books and advice. Maybe they could sell premium plug-ins, but there's already an industry around that, too.