The two best inventions in the world

• GPS:

The GPS is one of the best invention  that helped the location of people, the GPS can be found in most cell.

The best invention has been the GPS, The GPS is a tool that helps locate people, can be found in most cells.

Is a of the best invention, because currently are in cars, trucks, planes, boats or are used by geologists in exploration work.

• Wi-fi:

It is a tecchonology that allows computers without using cables or plugs.