No systemic risk from cryptocurrency speculation: BlackRock strategist

NEW YORK (Reuters) - BlackRock Inc's global chief investment strategist on Tuesday suggested that loose monetary policy may have aided speculation in digital currencies like bitcoin, but he said the risk to the broader financial system appears limited.

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Amazon sales of Echo devices on Prime Day ahead of last year

(Reuters) - Amazon.com Inc said on Tuesday it has sold more than three times as many Echo family devices worldwide partway through its Prime Day sale than for the entire event in 2016, an early sign of its performance on one of its biggest business days of the year.

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U.S. free-speech group sues Trump for blocking Twitter users

WASHINGTON (Reuters) - A free-speech group on Tuesday sued U.S. President Donald Trump for blocking Twitter users from his @realDonaldTrump account, arguing the practice violates the First Amendment of the U.S. Constitution.

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Microsoft vows to bring broadband to millions of rural Americans

WASHINGTON (Reuters) - Microsoft Corp on Tuesday announced an initiative to bring high-speed internet to millions of rural Americans through unused television airwaves in a long-term bet for user growth.

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Facebook expands ad testing on Messenger globally

(Reuters) - Facebook Inc said on Tuesday that it was testing advertising on its Messenger app globally as the world's largest social media company looks to further monetize its popular chat service.

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Western Digital gets U.S. court order to access Toshiba databases, chip samples

(Reuters) - Western Digital Corp won a temporary U.S. court order on Tuesday saying that Toshiba Corp must allow Western Digital's employees to access databases and chip samples as part of a joint venture with Toshiba around flash memory chip plants in Japan.

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Hyperledger releases its first production ready blockchain

NEW YORK (Reuters) - The Hyperledger Project, a group led by the Linux Foundation, has released its first blockchain code that can be used by large businesses to build software.

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Audi seeks to eclipse emissions scandal with new technology-packed A8 car

BARCELONA (Reuters) - Battered by its emissions scandal, Audi launched its latest technology-packed A8 luxury saloon on Tuesday, aimed at overtaking rivals Mercedes-Benz and BMW as it struggles to overcome its biggest-ever corporate crisis.

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Tech companies wage war on disease-carrying mosquitoes

CHICAGO (Reuters) - American technology companies are bringing automation and robotics to the age-old task of battling mosquitoes in a bid to halt the spread of Zika and other mosquito-borne maladies worldwide.

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Around 40 percent of Americans were harassed online: survey

NEW YORK (Reuters) - Roughly four-in-ten Americans have personally experienced online harassment, most commonly on social media platforms such as Facebook and Twitter, according to a Pew Research Center survey released on Tuesday.

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Source: Reuters