What is the biggest bait and switch tactic you have seen in the tech industry?

@nixCraft "Starting tomorrow, our Apache-licensed software will be available under a premium subscription model.

"Don't worry! The FOSS version remains free for use and installation. Technical support will be ably handled by our expert forum consisting of six condescending power users and 1800 clueless normies like yourself.

"New features are available under the 'Fuck You, Freeloader' license and are available to users starting at the Enterprise Mega Pro tiers and above."