I think that was for a simpler problem, that shared urls were not unique enough, and could be guessed or brute forced to get random peoples shared items. The ar

I think that was for a simpler problem, that shared urls were not unique enough, and could be guessed or brute forced to get random peoples shared items. The articles published by google seemed to warn that there was an expectation gap on the amount of privacy people should have expected to have on them.