Bill Gates holds jar with poop at event to raise toilet awareness

World's second richest person with $96 billion net worth, Bill Gates on Tuesday held a jar filled with human poop at a China event aimed at raising awareness about sanitation and toilets. "This jar contains 200 trillion rotavirus cells, 20 billion Shigella bacteria, and 100,000 parasitic worm eggs," said Gates. "I never imagined...I’d know so much about...poop," he added.