If you are part of the rarified group of tech insiders who mostly live in the Bay Area, your perception of Mark Zuckerberg is different. You have likely done business with Facebook: your company’s been bought by it, or you’ve been crowded out of a promising market when Zuckerberg decided to launch there. You’ve driven past Zuckerberg’s San Francisco compound in the Mission, or given birth at Zuckerberg San Francisco General Hospital.

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Modern life is one big photo shoot. The glassy eyes of closed-circuit TV cameras watch over streets and stores, while smartphone owners continually surveil themselves and others. Tech companies like Google and Amazon have convinced people to invite ever-watching lenses into their homes via smart speakers and internet-connected security cameras. Now a new breed of chips tuned for artificial intelligence is arriving to help cameras around stores, sidewalks, and homes make sense of what they see.

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In the last two months Michael Marks has turned down a dozen offers to make keynote speeches at conferences. His company, construction startup Katerra, is three years old, but the attention surge is very recent. “Construction technology has gotten kinda buzzy,” he says. That may be. But more likely, interest in Katerra has spiked because in January, the company landed an astounding $867 million in venture funding led by the SoftBank Vision Fund.

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Streaming service Netflix is famous for its unique culture. The most well-known example is the company’s no-vacation policy, which allows employees to take off as many days as they choose, whenever they choose. That policy is just a symbol of a broader attitude in the company, according to CEO Reed Hastings. “There’s a whole lot of that freedom,” Hastings said on stage Saturday, at the TED conference in Vancouver.

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It was about three hours into Facebook CEO Mark Zuckerberg’s testimony to the House Energy and Commerce Committee on Wednesday, when all of the attention quickly shifted from Zuckerberg’s glistening brow to the exhibit looming over Missouri Republican Billy Long's head. "Who are they?" Long asked, referring to the two women whose larger-than-life faces filled the giant poster board. Zuckerberg paused, before offering, almost in question, "I believe.

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After 10 hours of verbal flogging by an incensed Congress, Facebook CEO Mark Zuckerberg seemed like a leader whose pedestal had cracked. Over and over during his testimony this week, he apologized for lapses in his company’s handling of user data. He emerged from the hearings with months’ worth of homework for him and his team. But life’s not so bad for Zuckerberg.

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The open source movement changed how companies build software. Facebook, Twitter, and Yahoo employees pitched in during the early days of the data-crunching software Hadoop. Even after the relationship between Apple and Google soured, the companies' coders kept working together on an obscure but important piece of software called LLVM. Microsoft now uses and contributes to the Linux operating system, even though it competes with Windows. The embrace of open source isn't about altruism.

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Gwynne Shotwell has a difficult job. Her boss, Elon Musk, is known for wild, impossible ambitions on wild, impossible timelines. There’s even a term for his rosy view of what’s achievable and when: “Elon time.” As president and COO of Musk’s space exploration company, SpaceX, Shotwell must convey Musk’s crazy expectations to a workforce of thousands, without discouraging them with impossible-to-achieve goals.

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Follow Mark Zuckerberg's Wednesday testimony here. The hearing is scheduled to start at 10 am EDT. Mark Zuckerberg testified for almost five hours Tuesday in a televised Senate hearing about Facebook’s privacy practices and data abuse. More than 40 Senators had five minutes each to ask questions. Zuckerberg’s most frequent response? “My team will follow up with you.

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Facebook CEO Mark Zuckerberg received a less than warm welcome in Washington, DC, where he testified before a joint hearing of two Senate committees Tuesday. Among the crowds of spectators lining up to watch Zuckerberg get grilled were members of the activist group CodePink, wearing oversized sunglasses with the words, "Stop Spying," written across them. Another group wore t-shirts with the hashtag #DeleteFacebook scrawled on them in red Sharpie.

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