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Argentina's grid "collapsed" around 7 am local time (1100 GMT), leaving the entire country without power, Argentina′s Energy Secretariat said in a statement. The outage also cut electricity to swaths of neighboring Uruguay and Paraguay.

Armed with rare insights, he steered Tencent to big gains, both in terms of the number of users and ad revenues. One of the key insights he relied on was that in the olden days, soccer viewers spent 80 percent of the match time watching the game and 20 percent chatting over beers and snacks.

Apple used a similar approach with the launch of the iPhone, but that was at a much earlier phase of the smartphone market.

Artificial intelligence industry insiders have called for more research and innovation to spur industry development after a tech hub in Beijing offered funding of up to 30 million yuan (.2 million) for AI startups.

Apple, which is becoming increasingly competitive with Amazon, remains the largest tech company on the planet with a market value of 4 billion.