How is this different from https://github.com/douglascrockford/ADsafe https://github.com/douglascrockford/ADsafe? And isn't this all from 2011 or so? I recall

How is this different from https://github.com/douglascrockford/ADsafe https://github.com/douglascrockford/ADsafe? And isn't this all from 2011 or so? I recall this concept popping up then as well. I haven't seen much uptake from the ad industry which is focused on more tracking and access, not less.