The future of information suppression may be much harder to detect — and thus enormously more difficult to counteract. The digital censors of tomorrow will not require intimidation or force; instead, they can exploit the dark art of “shadow-censorship.”

Shadow-censorship is a way to control information by secretly limiting or obscuring the ways that people can access it. Rather than outright banning or removing problematic communications, shadow-censors can instead wall off social-media posts or users in inaccessible obscurity without the target’s knowledge. To an individual user, it just looks like no one is interested in his or her content. But behind the scenes, sharing algorithms are being covertly manipulated so that it’s extremely difficult for other users to view the blacklisted information.

In theory, there are a variety of ways that shadow-censorship could be applied on platforms like Twitter, Facebook, and YouTube. Users may be automatically unsubscribed from blacklisted feeds without notice. Social media analytics can be selectively edited after the fact to make some posts look more or less popular than they really were. Individual posts or users can be flagged so that they are shown in as few feeds as possible by default. Or provocative content that originally escaped selective filtering may be memory-holed after the fact, retrievable only by the eagle-eyed few who notice and care to draw attention to such curious antics.

Read the article “Shadow-Censorship on Social Media Sparks New Concerns for Open-Internet Advocates” on reason.com.