https://www.theguardian.com/games/2020/jun/07/japans-video-gaming-grandma-90-plays-her-way-into-record-books

Still nimble-fingered pensioner Hamako Mori holds Guinness world record as oldest gaming YouTuber

Every day 90-year-old Japanese grandma Hamako Mori flexes her fingers to keep them nimble. Not for knitting or needlepoint, but to stay in shape for playing video games.