This year at Google, contract workers outnumbered direct employees for the first time in the company's 20-year history. This is how Silicon Valley uses a shadow workforce of contract employees to drive profits.

This year at Google, contract workers outnumbered direct employees for the first time in the company's 20-year history. This is how Silicon Valley uses a shadow workforce of contract employees to drive profits. https://t.co/jnxrIM2YVj

— CNBC (@CNBC) October 22, 2018