Now, a smart toilet that can be controlled by mobile app
The Japanese have been at the forefront of hi-tech toilet developments - having pioneered heated seats, musical playback and built in washing and drying systems.
Japanese firm Lixil has now introduced its most advanced model yet - and it can be controlled from a smartphone, the Daily Mail reported.
The toilet, which goes on sale in the Spring, can be completely controlled by a smartphone app, which can also track user's bowel movements to track their health.
The toilet uses Bluetooth to communicate with the mobile phone app.
It can then control all of the toilet's functions, and even play music through speakers built in to the toilet's base.
The app, which will be available for selected Android handsets, will work with three of the firm's new range of lavatories.
Using the My Satis Android app, toilet users will be able to control the Bluetooth-equipped bathroom fitting with their smartphone.
Every features including flushing, lifting the toilet seat and sprays can be controlled.
Users can record their own preferred settings, and even play back music through the toilet's speakers.
The system also records each use to monitor both water and electricity bills.
It also has a health function which creates a diary for users to see how own they have used the toilet.
It goes on sale in Japan in February.