They keyword is "purely". Technology can enable a political will and can create an opportunity for change, but if the political will goes in one direction, no

They keyword is "purely". Technology can enable a political will and can create an opportunity for change, but if the political will goes in one direction, no amount of tech will be able to resist it forever. We could ban ads easily with a law. It would not need any tech. Scrubbing all the ads while there are incentives to develop them, however, is a lost fight.