Rejecting years of settled precedent, a federal court in New York has ruled [PDF] that you could infringe copyright simply by embedding a tweet in a web page. Even worse, the logic of the ruling applies to all in-line linking, not just embedding tweets. If adopted by other courts, this legally and technically misguided decision would threaten millions of ordinary Internet users with infringement liability.

If this stands, this would destroy the Internet completely. You wouldn’t be able embed anything without fear of violating copyright laws.

Source: Federal Judge Says Embedding a Tweet Can Be Copyright Infringement | Electronic Frontier Foundation