When it comes to number two, Jack Sim is number one.
Forty percent of the world's population doesn't have access to a toilet. Sim left a successful business in Singapore to start the World Toilet Organization to flush out the problem.
A film about his work is part of the Doc Edge Film Festival. It's called Mr Toilet: The World's #2 Man. We take the plunge into the world of sanitation and hygiene with Jack Sim.
Mr Toilet Photo: Elephant Publicity
