KEY POINTS
  • What people see on Facebook about the tragedy depends on what they search for, who their friends are and what they've viewed before.
  • When everyone's news is their own personalized version, it can be impossible to find any "truth."

The massive quantity and dizzying variety of content about the recent Florida high school shooting on Facebook show how hard it's going to be for the company to fight fake news.

If Facebook wants to rid itself of misinformation, it's going to take more than tweaking the software it uses to select it. The social network will also need to overhaul how it displays different types of content and how it helps users find it on the site.