Productivity

The age old problem,

Productivity = Impact x Endurance x Essence x Volume / Time (ref steve pavlina)

Impact:

"The more people you can influence, the greater your potential value. Greater leverage means greater potential impact."

Endurance:

" To what extent does your value carry forward in time? Is it quickly consumed and forgotten?"

Essence:

"How unique is your value? Are you the only one who can provide it, or are there plenty of equivalent choices?"

Volume:

"Lastly, what is the volume of value you create? How much of it are you putting out in a given period of time?"