All business is about adding value, so that your output is bigger than your input. The most important input in a tech company is human labor. Google is the mos

All business is about adding value, so that your output is bigger than your input. The most important input in a tech company is human labor. Google is the most efficient at this game today, as measured by how they transform their human labor into value. Revenue per employee is the best proxy for value-added per employee.