Once relegated to one-time promos and marketing campaigns, Twitter is now a tool businesses use to provide customer service. And for some customers, Twitter can be a deciding factor in what companies they do business with.
The Federal Aviation Administration expects the skies to be even safer when it introduces a new air traffic control system upgrade at the end of the decade. But some researchers figured out how to create fake airplane signals, basically spoofing the new system. The FAA says it could quickly spot such "ghost planes."
Google will lay off about 20 percent of Motorola's mobile unit in an attempt to get the struggling mobile phone maker back in the black. Recent hires suggest that Google will focus on cutting-edge hardware to raise Motorola's prospects.
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