Unisala. Notes sharing tool. But i want my notes to be private?

How difficult is this?

I want to log my task. But i want it to be only with me.

1. And only if i publish it. Then if i share it, i would only want to publish to my few friends.
2. Or i can publish an article that can go public.

is giving option like

1. public articles
2. private like TODOs list
3. discover from space/tags