Trend follower, portfolio manager, market technician. Former sales trader to hedge funds/institutions, research analyst, prop trader, buy-side head of desk. Only took 25 years to find what works for me. Always learning.
Did you know that photography was used by the military as well? How else did you think they record all that surveillance data? But that is not the only use of photography. It has a number of other applications as well. Why don't you go online and sea