I love user scripts. An interesting thing is that Amazon is powered by user scripts - when I was there I used and developed extensions to their atrocious intern

I love user scripts. An interesting thing is that Amazon is powered by user scripts - when I was there I used and developed extensions to their atrocious internal ticketing system to make it better for me. We worked on replacing the authentication layer on a set of APIs at some point, and the project got paused cause an entire group of amazonians was using a (non declared) user script and lost functionality when we started rolling out.