You mean tracking? Advertisements themselves didn't change. And you don't need any complex countermeasure, just knowing that the information not trustworthy is

You mean tracking? Advertisements themselves didn't change. And you don't need any complex countermeasure, just knowing that the information not trustworthy is enough for all practical purposes and for all information sources. People who fall for lies have only one wrong assumption: that the information they receive is trustworthy, once that one is out, it stops working for good.