Toilet tech Big changes in the smallest room, There could be big changes afoot in the smallest room, if some designers have their way.
From a new kind of toilet that offers a more comfortable squatting position, to showers that use fragrance and a toothbrush that can test glucose levels.
BBC News caught up with three designers who want to modernise the way we use the bathroom.
Video journalist: Dougal Shaw
Up Next is a series of video features for the BBC News website which examines the new developments that could affect all of our lives in the future.