[jecel]

This list of Basic/keyboard expansions for early videogame consoles mentions Mattel getting fined by the Federal Trade Commission until it delivered the promised computer module to clients:

https://lady-eklipse.livejournal.com/6081.html

[vikingerik]

Ah, thanks for the pointer. I wonder if I'm misremembering Mattel's threat as Atari's, or if Atari also had a similar problem.