Isn’t the best answer to not use a telephone (which, after all, can connect with anyone in the world, no matter how much you would rather not talk to them), and rely on sending letters (or even better, walking over a talking to people). People got around reasonably well for years without using electronic communications. It can be said with certainty, that neither the Vilna Gaon nor the Baal Shem Tov ever used a telephone or any other device capable of being connected to the internet.
I doubt the Gra learned by an electric light and learned by candlight. People got around reasonably well without electricity and wrote great seforim. If the Gra, Rashi, Baalei Tosafot learned without lights, so can you