Google Play was launched.
The app store gives android users a platform to find and install applications.
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Microsoft released the Windows 7 operating system.
Paul McCartney publicly declared he's not dead.
The Royal Observatory in Greenwich, UK, was adopted as the world's Prime Meridian.
The first images from the surface of Venus were received after the Soviet spacecraft Venera 9 landed on the planet.
NASA announced that 16 researchers would be a part of a nine-month study on unidentified aerial phenomena or UFOs.
