Perhaps they did.
However . . . social security numbers
did NOT have a world wide economic network able to prevent buying or selling without the ss# being in the palm or forehead.
The SLAG [SLAve taG] chip implant fulfills the Biblical prophecy rather thoroughly.
You can ignore the progress toward that end, if you wish.
You can also ignore the progress of the NWO puppet masters toward the global government destined to implement such an ID.
But I wouldn't recommend such denial, personally.