A learning aid claiming a foreign language can be learned “without even trying.” Vocabulary items flashed onto the screen whenever a new page is loading go unnoticed – hence “subliminal” – but the brain remembers them.

Ben Polkinghorne: “Rather than stare vacantly at your browser as a website loads, why not subliminally learn a new language? Got to hand it to them, it’s a clever idea. Now to see if it works …”