October 4, 2012 was the cutoff where they stopped generating Public folders for new Dropbox accounts-- at the time, existing accounts could still use the Publi

October 4, 2012 was the cutoff where they stopped generating Public folders for new Dropbox accounts-- at the time, existing accounts could still use the Public folders that had already been created. I'm guessing they mention those accounts in the announcement to make it clear that the changes don't apply to those accounts, since pre-10/4/12 accounts never had a Public folder at all.