21 percent of Facebook users and 18 percent of Twitter users tell the Pew Research Journalism Project they get news "often" from print newspapers. The organization continues to look at how social media users get news.

YouTube, LinkedIn and Google Plus news consumers are more likely than Facebook and Twitter news consumers to watch cable news. Twitter news consumers are among the least likely to turn to local and cable TV. And nearly four-in-ten LinkedIn news consumers listen to news on the radio, compared to about a quarter of the general population.

62 percent of Reddit users get news from that site, the highest percentage among social sites. But: "since just 3% of the U.S. population uses reddit, that translates to 2% of the population that gets news there."

The study also includes a fairly trippy graphic, about crossover use for news of different social media platforms:

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