Some of the web’s “most successful inhabitants”, such as Facebook and large telecoms companies, have begun to “chip away” at its founding principles, Berners-Lee wrote in a Scientific American journal essay published today. Social networking sites that do not allow users to extract the information they put into them is a “problem” that could mean the web is “broken into fragmented islands”, he said.
— Tim Berners-Lee: Facebook could fragment web | Technology | guardian.co.uk