It may seem like we take it for granted, but proper hygiene for many people around the world is a luxury you can not reach.
More than 2 billion people have access to safe, clean sanitation facilities and are at risk of a variety of harmful diseases.
Bill Gates came up on stage this week with Reinvent the Toilet, using human feces to point out that imperfect sanitation is putting hundreds of millions of people at risk.
In this meeting, technology companies introduced 20 designs to improve sanitation facilities in areas where no water is used in advanced toilets.
I hear Michelle Dickinson talking to Kale MCIVOR ABOVE.