Unrelated, I've been trying to think about a data store that's part of me somehow. I guess we carry our phones with us everywhere but yeah. So it's your data literally on you and accessed when connected wirelessly or by usb.

Have you heard of a flash drive lol.

The thing is this would store like your collective knowledge's/notes you've written over the years and it would be secure.

Related to this for the thought of hybrid mind/brain interface is an ideal part of it. Like thinking to control devices by looking at it.