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Windows XP is released by Microsoft
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The iMac G4 is introduced by Apple, Inc., as the next generation iMac.
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Blu-Ray discs were released by Sony in 2003
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Facebook and Gmail launch
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The first video is uploaded to the online video hosting service YouTube established by Jawed Karim, Steve Chen and Chad Hurley.
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Sony PRS500 e-book reader launched in the United States.
Social networking service Twitter launched publicly -
Apple Inc.'s first iPhone smartphone is announced by Steve Jobs at Macworld in San Francisco it was released in the Unites States on 29 June.
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SanDisk Corporation begins to sample 12-gigabyte (GB) microSDHC flash memory cards to major phone manufacturers for testing and evaluation.
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Japanese engineers build a childlike robot, the Child-robot with Biomimetic Body, or CB2, and report that it is slowly developing social skills by interacting with humans and watching their facial expressions.
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The Consumer Electronic Show takes place in Las Vegas, with 3DTV technology being highly promoted during the event
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In a world first for artificial intelligence, IBM's Watson supercomputer defeats two humans on the Jeopardy! quiz show
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South Korean scientists develop touchscreens that can recognise the existence and concentration of DNA molecules placed on them. The invention could allow the development of smartphones with the ability to diagnose users' medical conditions
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The 2013 Consumer Electronics Show opens in Las Vegas, Nevada. Among the new technologies showcased are flexible tablet computers, autonomous cars, medical telepresence robots, ultra-definition TVs and high-efficiency microchips.
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After eight years of development, a new hi-tech bionic arm becomes the first of its kind to gain FDA approval for mass production.
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DARPA announces a new project that aims to create a computer program able to continuously scan its environment
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Google's DeepMind AlphaGo artificial intelligence defeats South Korea's Lee Se-dol
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IBM announces "IBM Q", an initiative to build commercially available universal quantum computing systems
