Polarisation is how Google, Facebook and Twitter manage to be popular platforms. It's nothing more than returning the results that you want are searching. What

Polarisation is how Google, Facebook and Twitter manage to be popular platforms. It's nothing more than returning the results that you want are searching. What these platforms need is transparency and a web of trust pretty much the same as distributed version control systems. Look at Linux and how the source is managed, it would be a good model for social media in combination with blockchain for engagement.