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.
In-N-Out Burger opened its first restaurant in Baldwin Park, Los Angeles, US.
American bank robber Charles Arthur Floyd, AKA Pretty Boy Floyd, was shot dead by the FBI.
Inventor Chester Carlson created the first Xerox image.
The American drama movie 'Now, Voyager' premiered in New York City, US.
