Minor spoilers for Mario Odyssey ahead.
As you probably know, when games are shown off ahead of release, they're often shown under NDA - that is, everyone who sees it signs a bit of paper committing to certain restrictions. There are things you're forbidden to show (or talk about) even though you may have seen them whilst playing. Usually these are story details, but sometimes it covers mechanics or characters as well.
Gamexplain came up with a novel way to get around this after a recent Mario Odyssey hands-on: instead of showing video of the (minor) forbidden details, they illustrated them instead.
Cheeky. Here's the full video: