Thanks for the kind words. Do it at your own pace. I don’t know how relatable my own experience is to others, but Instagram was surprisingly easier to quit than I expected. From the Meta ecosystem, WhatsApp was by far the hardest. Initially, even members of my own family scattered around the world didn’t bother to install Signal to keep in touch. Nobody took it seriously. Over time though, everyone who really mattered eventually created an account to stay in touch.

As for LinkedIn, I assume I’ll have to work hard to replace it with in-person professional networking. There's no real alternatives to the professional networking side of LinkedIn that I know of.

My practice for some years has been to keep a list of old friends/coworkers I want to contact in my todo list, sorted intuitively. I add to it as people pop into my head. Then I reach out to one person each week and ask to have a call or a lunch to catch up. I also attend a quarterly developer meetup in my city and travel to one or two conferences a year.