I live in the US. FB Groups have really become useful over the last 1-2 years. Very useful for connecting with local musicians, planning trips around concerts, discussing immigration related worries and making fun of soccer players. Feels like it's basically becoming an easier-to-use reddit.

Also, unrelated I've started seeing erotic content on suggested reels. These low-quality videos have hundreds of comments and millions of views. All contributing to fb usage.