Facebook has begun to assign its users a reputation score, predicting their trustworthiness on a scale from zero to one.The previously unreported ratings system, which Facebook has developed over ...

SAN FRANCISCO — Facebook has begun to assign its users a reputation score, predicting their trustworthiness on a scale from zero to 1. The previously unreported ratings system, which Facebook ...

Facebook is trying to root out people who routinely make false claims about news articles by giving them a trustworthiness score. Here's how it works.