How to investigate
Appearance
hints to predict hidden informations
⑴ visible info, tells us
1 input & output quantity 2 input & output frequency 3 Movement Of Profit 4 where can store info 5 energy consumptions
⑵ invisible info, also tells us
1 visible info type 2 invisible info type => where is visible, and where is invisible ? => where is precious info, that is unvisible ? 3 something, not happens & should happens in probability