Thanks so much! Susan Pinker gave a fantastic Ted talk about this topic: https://www.ted.com/talks/susan_pinker_the_secret_to_living_...

The #1 factor to leading a long and happy life is the frequency of your social interactions, both with close friends and family and acquaintances. I'm certainly getting reports of people talking to their grandparents more since they started sending photos and it warms my heart.

There's quite a bit happening in this space which has recently been coined by some as "elder tech." Alexis Ohanian and Garry Tan's fund Initialized are investing in the space in startups like https://www.joinpapa.com.