Diary 2017.27.04 Technology is applied to people's life wildly, nowadays human couldn't image to live without technology, and the mostly used device around people is cellphone; everyone has a cellphone, no matter you are someone's grandpa or a little grandauther, everybody relies on the portable and handy device in their life so much, anytime and everywhere. Before mobile phone be found by people, there are some important and essential inventions had been found in human history. The first one I wanna refer to the light bulb, I admire the inventor, Thomas Alva Edison for using the limited technology to create a stunning invention at that time. People search for the truth, evolution, innovation then they find technology, now the technology will lead people to create a better world.