Alina Selyukh

AT&T's $85.4-billion bid to buy Time Warner is now official, facing what's expected to be a tough regulatory review, given the reach and impact of the telecom and the media behemoths.

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Updated at 7:30 p.m. ET

Hackers attacked a major Internet infrastructure company Friday, causing intermittent disruptions to websites and services including Twitter, Amazon, Spotify and Airbnb most of the day. It wasn't until shortly after 6 p.m. ET, that the company said that the "incident" had been resolved.

The Department of Transportation did not mince any words: Starting mid-Saturday, the Samsung Galaxy Note 7 will be "considered a forbidden hazardous material under the Federal Hazardous Material Regulations."

Google's products are everywhere: maps, Gmail, the Chrome browser, the Chromecast video/audio system, the Android mobile operating system, YouTube, Waze. But the company has been far less successful at selling things rather than software.

Since their launch in 2012, cellphone emergency alerts have become a frequent tool for public safety officials to alert people to missing children, warn them of impending weather calamities or notify them of dangers specific to the local community.

When a man-made disaster of unfathomable scope strikes your city and its central symbol of prosperity has been leveled to ruin — and it's your job to jolt it into resurgence — where do you begin?

Only hours had passed after the planes struck New York City's twin towers on Sept. 11, 2001, when then-Mayor Rudy Giuliani made a promise to rebuild: "We're not only going to rebuild, we're going to come out of this stronger than we were before."

Apple had waited many years to send its very first tweet. It finally happened on Wednesday, with a release of a sponsored tweet promoting the new iPhone 7: "New cameras. Water-resistant. Stereo speakers. Longer battery life."

Except — oops! — CEO Tim Cook had yet to announce the new version of the smartphone. When he finally did, he said, as always: "It's the best iPhone that we have ever created."

We are in "one of the most dramatic periods of change in the history of transportation," says Transportation Secretary Anthony Foxx.

He was talking about all of it: the self-driving cars, the smart-city movement, the maritime innovations. But the staggering prediction of the day goes to the drone industry:

The Federal Aviation Administration expects some 600,000 drones to be used commercially within a year.

Updated at 9:10 p.m. ET with detail on limiting spam

The messaging service WhatsApp is changing its privacy policy for the first time since being bought by Facebook in 2014. The app will begin sharing some of its data and phone numbers with the social network. It will also start testing how businesses, too, can talk to its users, for instance by offering flight or shipping or banking notifications.

Australia launched its first online census this week but was quickly forced to shut it down after what the government said were multiple denial-of-service attacks, which purposefully inundate websites with automated requests to cause shutdowns.

The Australian Bureau of Statistics said it closed down the online census form out of precaution after a fourth attack on Tuesday.

Verizon is buying Yahoo for $4.8 billion, acquiring its "core Internet assets" — search, email, finance, news, sports, Tumblr, Flickr — in essence writing the final chapter of one of the longest-running Internet companies.

Updated at 10 a.m. ET on Monday to reflect the announcement of the deal.

Yahoo has found a buyer for its core Internet business: the nation's largest telecom provider, Verizon Communications. The two companies announced the $4.8-billion deal on Monday.

When Julian Castro assumed the post of Housing and Urban Development secretary in 2014, the U.S. government already had a few programs aimed at expanding Americans' access to the Internet. It's the sort of thing that is paramount to success in the modern economy, long advocated by President Obama and other government officials.

After sniper fire struck 12 police officers at a rally in downtown Dallas, killing five, police cornered a single suspect in a parking garage. After a prolonged exchange of gunfire and a five-hour-long standoff, police made what experts say was an unprecedented decision: to send in a police robot, jury-rigged with a bomb.

Facebook says it's changing its news feed, again. It says posts from friends and family will now come first, prioritized over posts from publishers and celebrities.

It's potentially worrisome news for media companies, whose traffic is heavily boosted by Facebook-driven clicks. But it's also only a small, vague peek into the black box that is Facebook's algorithm, which determines what version of the world is presented to the 1.65 billion people using the social network.

At the recent unveiling of a new self-driving shuttle bus called Olli, its designer sat perched on a stool nearby, his hands cradling a camera in his lap. He and Olli had just met several hours earlier.

Edgar Sarmiento is now 24. In 2014, he emerged into the workforce in his native Colombia with a degree in industrial design. He found work, at a design agency in Bogota, but it wasn't satisfying.

A lawmaker's letter shone light this week on a disturbing element in the story of the Orlando shooting: Before and during the attack, the gunman searched and posted on Facebook, in part to find out if he was in the news.

Apple has hit a new snag in China: Beijing's intellectual property agency has ruled that the iPhone 6 and iPhone 6 Plus violate a design patent by one of China's own smartphone-makers.

A federal appeals court on Tuesday fully upheld the so-called Open Internet rules, regulations backing the principle of net neutrality.

It's the idea that phone and cable companies should treat all of the traffic on their networks equally — no blocking or slowing their competitors, and no fast lanes for companies that can pay more.

"Big data" is a very 21st-century kind of buzzword, which ambiguously invokes the idea of using large sets of data to draw computer-assisted conclusions about trends, patterns and correlations, often about people and their behavior.

But if you wanted to trace the origin of using big data for health research, you'd have to go back — way back, to 17th-century England.

Tom Perkins, one of Silicon Valley's first venture capitalists, died this week.

The New York Times reported on Thursday that the financier died at 84 at home in Tiburon, Calif., of natural causes. The firm he helped co-found, Kleiner Perkins Caufield & Byers, confirmed the news to NPR.

Facing an uproar from conservatives and even calls for a congressional inquiry from a prominent lawmaker, Facebook is going to great lengths to explain how it decides what shows up on its trending news notifications.

Apple's 13-year streak of making highly profitable products has hit a snag.

In the most recent quarterly report, Apple says iPhone sales fell. And with nothing else to make up for it for now, Apple's revenue declined along with it, for the first time since 2003. The quarterly profit, too, dropped 22.5 percent.

Charter Communications has bid more than $88 billion to buy its larger rival, Time Warner Cable, and a smaller competitor called Bright House Networks — and it's closing in on the required regulatory approval from federal authorities.

The deal would be yet another major shakeup in the telecom industry: It would form the second-largest Internet provider, behind Comcast, and the third-largest video provider, behind Comcast and the newly merged AT&T/DirecTV.

Although the FBI says it has successfully unlocked the iPhone of one of the San Bernardino shooters, a separate legal standoff between Apple and the government continues — in a drug case in Brooklyn, N.Y.

The NFL has struck a deal with Twitter to live-stream, for free, the 2016 season of Thursday Night Football online through the social media site.

For the NFL, this is a push to reach the growing cohort of people who might not have a cable subscription. For Twitter, it might prove to be a major win in its ongoing challenge to attract and keep new users.

The Federal Communications Commission is officially proposing to begin regulating how Internet service providers handle user privacy. The agency is looking to restrict the companies' ability to share with advertisers and other third parties the information they collect about what their customers do online.

The high-profile public and legal dispute between the government and Apple is officially over after the FBI managed to unlock the iPhone used by one of the San Bernardino terrorists without Apple's help.

The Justice Department says it has successfully retrieved the data from the phone and is asking the court to vacate its order for Apple's assistance.

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