Facebook has affirmed they are working on a new warning system to reduce the spread of false information plus malicious attacks associated with fake news links

http://www.pcmag.com/news/349742/zuckerberg-teases-warning-system-labels-for-fake-news

http://www.pcmag.com/news/349576/google-facebook-go-after-fake-news-with-new-ad-policies

Facebook CEO Mark Zuckerberg on Friday outlined some of the things his team is doing and considering to combat fake news, including a warning system for suspicious content and bringing in third-party fact-checking services to weigh in on popular content across the site. “While the percentage of misinformation is relatively small, we have much more work ahead on our roadmap,” Zuckerberg wrote in a Facebook post.

Some might quibble with his assertion that fake news has not proliferated on the site; earlier this week, for example, BuzzFeed reported that fake stories generated more engagement on Facebook in the last three months of the election than stories from reputable news sources. Even President Obama has criticized its spread. “If we can’t discriminate between serious arguments and propaganda, then we have problems,” he said during a news conference in Berlin this week.