Observation Game Level 03

We pledge to the player who Master's all levels of the Observation Game the annual income of $100K. We will be exploiting the same learning technique of a child who learns to walk before engaging in running. No special aptitude or ability is required to develop the part of vacant human brain that lingers dormant after the age of 5.
WARNING: Your newly developed ability may endanger your life while the fully developed Observation power will allow one to notice and remember the minute particulars of everyday life that remains hidden from the ignorant grey public around you.
We strongly recommend not exhibiting your developed power to the others but quietly use it to your own gain.
Remember MODESTY is the key to your save prosperity.