World Technology was very fast its growth at this time. One of them technology in area of electronics.  From form, price and its model even also very variated.
We can take for example TV which is on era first its form very big and heavy. But now its form very economic, light and sophisticated, like we take for example flat panel TV, or that we recognize with LCD TV.
Also with electronic tools other.
Because Produsen race-race in creating goods more sophisticated electronik, practical, and economic form. As a consequence goods in the market inundated by wide variety goods form and choice with price that berfariasi and reached.
All return to us as the consumer.