Recode, Reuters, Popular Science, The Week, Mic, The Verge, and USA Today’s FTW have all shut off reader comments in the past year. Here’s how they’re all using social media to encourage reader discussion.

Signal helps journalists find, source, and embed content from Facebook and Instagram.

The speed gains are very real. But do publishers want to trade in the open space of what we’ve known as the web for yet another platform they have little control over?