The court declined to rule on whether it was constitutional for states to pass legislation that limit the powers of social-media companies to moderate their content.
Justice Elena Kagan said the platforms, like newspapers, deserve protection from governments’ intrusion in determining what to include or exclude from their space.
The decision will permit the government to call on tech companies to remove falsehoods — which could be critical in the run-up to the presidential election.
“It’s crucial that lawmakers keep a core question in mind: Will Massachusetts invest in a new, sustainable future for local news?” said Free Press Action’s Candace Clement.