It may seem like something we take for granted, but for many around the world, proper hygiene is not luxury that does not arrive.
More than two billion people have access to clean, clean hygiene, putting them at risk of contracting a number of harmful diseases.
At this week's conference, called Reinvent the Toilet, Bill Gates took the platform with a jar of human bows to illustrate his point of poor hygiene meant that hundreds of millions are at risk.
The conference consisted of 20 design by technology companies for new types of toilets that could improve cleanliness in areas without access to water.
LISTING TO PAY MICHELLE DICKINSON WITH KERRE MCIVOR ABOVE