Technology has always been a force of change in industries, but it has become more important since the 1960s, when the demand for traditional products dropped. Because people are becoming pickier about what they buy, the manufacturing industry has had to come up with new products. Science and its twin, technology, have always had a special place in human intellectual pursuits. Technology grows along with science, affecting it and being affected by it. It is a major source of social and economic change and creates a new culture.