UX affordances are different when the price is zero. I learned GIMP the hard way, first because of Photoshop's pricing, and second because Photoshop's UX wasn'

UX affordances are different when the price is zero. I learned GIMP the hard way, first because of Photoshop's pricing, and second because Photoshop's UX wasn't that much cleaner when it came to doing anything outside of trivial layer operations.