We’re thinking more about this now that our API is nearing.
In the meantime, note that you can block any member from following you or posting comments on your content (look for the Flag icon on the member’s page).Gopi commented
Please make my diary a personal one. I don't wanna watch other to see what I have done yesterday or what I am doing today. I want to remember when and where I watched my movies that's why I'm maintaining my diary. Please keep it as my private diary until my death.