block google tracking and search history (minor downside for a major gain). Disable the youtube homepage. Use services that keep out as much trackers as possible: duckduckgo (you can still use google with !g), an email that's not google, a browser that's not chrome. All this reduces the algorithms power over your choices.

Use social networks in a healthy way: avoid scrolling on the home/main page. Search for the information you want yourself and don't rely on what's handed to you. This works in general, TV, papers, ...