Cory Doctorow and the Electronic Frontier Foundation have published a five-part series with that title. Mr. Doctorow examines how Big Tech has come to dominate the news and social media, and offers suggestions as to how to turn that around. They may not be practical if Big Tech decides to steamroller them, but they also offer ways we can limit our interaction with such propaganda.
The five articles are, in order:
I don't necessarily agree with all of Mr. Doctorow's suggestions, but I think he offers an excellent overview of current problems and how we can approach them. Given that Big Tech is going to dominate coverage of our next Presidential election, and influence millions of voters, it's surely not a bad idea to start thinking already about how to counter their propaganda.