As a wise person once said, you should always try to work smarter, not harder when faced with a problem. With a little extra thought and inventiveness, minor design changes can make everyday items infinitely easier to use and more efficient.
These are some genius designs that we think should become the norm everywhere.
See How Cold The Water Is!
This hotel has installed showerheads that light up to show if the water is very cold with blue light. They also do the same for hot water by turning red.