They build their products on open technologies and then attempt to extinguish the open technologies. XMPP, RSS/Atom, and HTML are three examples of EEE in mode

They build their products on open technologies and then attempt to extinguish the open technologies. XMPP, RSS/Atom, and HTML are three examples of EEE in modern times. - XMPP => proprietary chat that locks users in - RSS/Atom => algorithmic news feeds that lock users in - HTML => AMP -- if you want distribution, they tie your hands with markup and monetization restrictions - etc.