Lateral thinking

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Have you ever heard about lateral thinking?

Lateral thinking is an creative way of solving a problem that is out of the box or not usual.
by lateral thinking it helps us a lot usually for our daily life. it helps us to be more convenient
to do our works and daily routine. This are the example of lateral thinking is mobile phone. A long time ago people are hard to communicate with other , since there are no high technology communication tools at that time. Then , Finally mobile phone are created on April 3 , 1973. By inventing a phone is part of the lateral thinking because it is thinking out of the box on the 1st place.