Personally I use an app/domain blocker on my android phone, and I block social networks from /etc/hosts on my laptop, I also use the command "chattr +i /etc/hosts" to make it harder to unblock the social networks I blocked.

Now the only social network I still use is Linkedin.

But I also "waste" my time on other stuff now, so I don't know if it's better, the brain always find new ways to procrastinate I guess.