Dr-Syn

Can't trust manufacturers. They push things to the device that break them. Can't trust app manufacturers either: they "share" information to marketers; this breaches your privacy.

Those who can do so ought to offer "family CISO" services. Like the 'family doctor' or the 'family accountant', they should be hirable by a family to manage their information security needs.

So if I'm reading this right, they're using the existing structure of the hemp fibres as a sort of scaffold, boiling off the non-carbon parts to leave, essentially, charcoal?

Not bad. Might be worth investigating lawn clippings for the same kind of properties.