However, one can still blame Dropbox for the change itself. I used this on several occasions, including hosting archives for academic publications. No way in hell I can change those links. Maybe that wasn't a wise choice, but at that time it looked like a good way: The link did not give a clue about my identity, making peer review easier, and DB being a well-funded and known internet company those links were surely meant to work forever, cool URLs don't change is something they had to know. Boy was I wrong.