hot storage is designed to be the daily drive of using the private key. The system does not have a cashe as it regenerate the key every time an interaction is needed.
Focus hard on SEO if there is an initial user intent you can spot from Google. I would also recommend using HARO with tools like headcomai to get media exposure and backlinks!
Yes! It is very controversial. Apparently MS Teams has lots of insights with the platform, an people is raising some privacy concerns around it.
Very dangerous indeed once we get into this low-trust circle...