The only other e-paper device that I had was a small nook many years ago. As far as connecting with people, I think quite well? The only social media I really use is bluesky, which has been really nice. Otherwise I keep in touch with my meatspace friends either over SMS (I use JMP Chat for SMS over XMPP on any device) or Signal (I use the molly.im client, which is easier to use without a cell phone (particularly because you can't scan QR codes on the Daylight)).

Ironically I actually feel like I experience far less FOMO than when I was hyper connected too :P