The brain is your AI assistant. You use it to help you get work done. It starts small: it's a collection of folders, files & a few rules.
You don't build a brain, you grow one.
See what your AI brain might be able to help with...
Grow your brain
I give you a sapling. You grow it in the direction you want. Tap a work area to add a branch, set how much of your week it takes, then step back and look.