CMYK = Cyan, Magenta, Yellow, and Key. Key is almost always black in the print world because printing 100% CMY comes out as a muddy almost black. Having Key as black also allows for better greyscale and higher definition over CMY alone.

The writer either doesn’t know anything about AI and computer science or is writing for people who don’t know anything AI and computer science.

I’ve got a 2nd gen that I’m hoping they’ll patch. It sounds like it’s an expired security certificate across the board. These usually aren’t a hard fix to push out and Google had stated to support existing Chromecasts for the near future.