Because let's be honest, "a pendant with the sum of human knowledge" is an absurdly awesome #scienceFiction theme. And it's doable for less than $20.

We're just not thinking about it in such cultural categories 😁 What is wrong with our civilization?!

For Solarpunk it would be a symbol of the lack of dependency on the Internet, the Clouds, on being able to restart the local community and technology with all the knowledge - if needed.