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The text on the iceberg is linked to whatever it is talking about so you can simply click on it to get to the source.

Ah, thanks! I’m on my iPad so there’s no :hover hints... at least until Apple adds support for off-screen finger detection.

Just from the context, looks like just the fact that it's a serious-looking medical device which is literally a case around a GBA. (More here: https://www.theverge.com/circuitbreaker/2017/9/21/16339122/e...)

Searching on English google from the US also just brings up a bunch of German articles about the Gameboy.