What invention is used the most?

Question: What invention is used the most!?
Best Answer - Chosen by Asker:

The invention used everyday is electricity!.Www@QuestionHome@Com

Hands down please!. The automobile and the invention/discovery of electricity!. Almost everyone in the world uses a car for transportation and electricity is the most used energy resource in the world!. Www@QuestionHome@Com

the wheel it produces electricity

no wheel no aircraft no cars no cell phones no Guns no ships no cycles no lifts no elevators no modern Development Www@QuestionHome@Com

I agree with language!.
People who don't have automobiles, pens, electricity, the wheel or cell phones use language all day every day!.Www@QuestionHome@Com

Unfortunately, it is the wheel :( I consider it to be the worst and best invention everWww@QuestionHome@Com

The pen!. I use a pen more often than I drive my car in a day!.Www@QuestionHome@Com

there are many to pick from!. top ones for me are the printing press, electricity & clothesWww@QuestionHome@Com

languageWww@QuestionHome@Com

cell phonesWww@QuestionHome@Com

lightbulbs and the wheelWww@QuestionHome@Com