According to a new update on YouTube's test features and experiments page, the online video giant is trying out some new things on the platform: AI-generated live chat summaries and channel QR codes.

QR codes are akin to the kind of barcodes you see scanned at the checkout line in a store. Masahiro Hara, working for the Japanese company Denso Wave, invented QR codes in 1994. Tasked with ...