What is an everyday item (physical object) that you feel is important but overlooked?

Why do you think it is overlooked? What about it is important? Why should people pay more attention to this item? Thanks!What is an everyday item (physical object) that you feel is important but overlooked?
I belive the atmosphere, man is realizing to late the damage he has and is doing to the air we breath.What is an everyday item (physical object) that you feel is important but overlooked?
Things you find in the bath. Soap. Shampoo. Toothbrushes. toothpaste.





Personal hygiene's importance varies from the point-of-view of individuals, and sometimes even whole races, but the simple act of showering, of brushing your teeth, washing your hair can make a big difference in your mood and on the people around you.





You never know when you start to lose a friend because of the way your breath stinks each time you tell stories, and woe if you talk a lot!





You never know if a woman is falling in love with you because of the perfume you wear, or the soap you used to take a bath this morning before going to work.





It feels good to cleanse yourself regularly, and I'm sure no sane person will feel worse after a shower.
Water. Overlooked because of human carelessness! Nothing on Earth can survive without water!
g The copy of the US Constitution in the back of any good dictionary.
toilet paper. it is an important invention in the worlds history
elevators.
...fire...it kills, keeps you warm and keeps you from eating raw meat...