The changes cause innovation, innovation happens sometimes is not caused by intention, and teach, learn. As well as people who are smart. In some stories can't tell anyone why myself, so have the expertise in that subject. it is not necessary that the person who is smart as innovators coming up in this world only. Ordinary people can make, because each person's idea to have the wisdom that concept vary. Therefore, each person's innovation is therefore not the same and different.
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