Alan Kay famously critique World Wide Web (WWW) where HTML is originated. He publicly dislike HTML as followed Things like [HTML] happens when we let physicists play with computer. He stated that HTML is a bad markup language because people who build HTML thinks their way of representing web page is the only way. He mentioned a (older and) better alternative to HTML is to define protocol based on ordered region on a tape — back when tapes were still popular means of storage in 1950’s.