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> If you're receiving questions that weren't published prior to the interview it's perfectly understandable that not all questions can be answered immediately. In fact, I'd be more suspicious if he answered everything without needing to follow up.

Right so I'm not expecting him to answer _every_ question without referring to his staff. There were, however, key controversial questions which he did not answer by claiming he didn't know something immediately.

> If however you're the one raising a question, I think it's your responsibility to ensure that you or someone on your team someone does some basic research and due diligence beforehand.

Zuck was brought in front of the committee to discuss troubling behavior and troubling allegations. While you don't want to ask a nonsensical question, I don't think there's a requirement to be very informed about the subject matter. A number of questions by the committee seemed exploratory or seemed to be simply looking to clarify some rumor/allegation, some were indeed technically misinformed or misunderstood questions, but by and large a lot of the questions that were asked were competent and necessary.



> I don't think there's a requirement to be very informed about the subject matter.

Why would you think that? This is a time limited, one day high profile public hearing.


I think it's actually two days. That's what they said on the CSPAN radio stream, anyway.


One day for each house


> There were, however, key controversial questions which he did not answer

Can you give some examples please? Having not watched much of this live, nor read the paraphrased feed, I'm interested to know what controversial areas you think were dodged.


- Roger Wicker asks whether Facebook can track browsing activity even when a user is logged out of Facebook. Zuckerberg responds that he's not aware and he'll have his staff follow up, then later admits that cookies exist. They obviously do track this, as stated in their documentation: https://www.facebook.com/help/186325668085084

- John Cornyn asks whether all of a user's data is deleted when their account is deleted. Zuckerberg says, "We should delete all your information." Cornyn: "Should, or do??". Zuckerberg: "We do".

- Later on, Cory Gardner reads parts of Facebook's terms of service stating that backup copies of data may persist for some time after an account has been deleted. Zuckerberg pulls the old, "I'm not sure how it works, I'll have my team follow up". He really seems to want to avoid saying outright that 100% of your data is deleted, because it isn't, "log records" (open to broad definition) are only somewhat anonymized: https://www.facebook.com/help/125338004213029

- Gardner also asks whether Zuckerberg thinks users are aware that they are tracked every time they are logged in in another tab and visit a website with a Like button on it. Zuckerberg says, he thinks people are aware, they should be able to infer that from the context we show them about their friends liking the page.

- During questioning by Sheldon Whitehouse, Zuckerberg says users can download all data Facebook has about them. This is false. The "download your data" button only gives you data from your direct interaction with Facebook, and definitely does not include the sites they've tracked you on around the Internet.

Not sure whether any of these dodges bordering on lies could be prosecuted for lying to Congress, but sure would be interesting to see that tried.


Thanks. Very insightful. Hopefully UK parliament will pick up on his obfuscation and prevarication when they interview the CTO. For what it’s worth, I don’t think MZ was straight up today - and as legislators realize that, it makes it more likely FB will be broken up. If not by the US, then because the EU will force it. I’m seriously unimpressed that MZ has not grasped his situation.




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