A bit off topic, but I figure a number of us are interested in this older "social media" mechanism.
https://arstechnica.com/information-technology/2019/10/yahoo-is-deleting-all-content-ever-posted-to-yahoo-groups/ So if you subscribe to any Yahoo groups, or value any of that content, be sure to archive it before your friendly telco sends ALL of it to the bit bucket. paul