Google bought youtube less than 5 years after its IPO, more than a decade ago. I think they'd _already_ replaced pagerank by then?
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Replying to @landley
The concept (scoring based on attacker-controlled inputs) has never been replaced, though there have been many iterations and perhaps names.
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Replying to @RichFelker
Just as web browsers display attacker controlled data. Clearly browsers should only display data bundled with the browser, no net access.
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Replying to @landley
Displaying != trusting. The problem is making decisions that have social and economic and political effects based on potentially malicious input without accounting for malice...
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Replying to @RichFelker @landley
...specifically in the case of Google, intentionally without a way to tell the computer the input is malicious when it's too dumb to figure that out on its own.
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Replying to @RichFelker @landley
What Google did, every time they discovered new forms of malicious input, was to wait for them to be widely exploited then wait til they could generalize a rule to stop it while maintaining their belief in impartiality.
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Replying to @RichFelker @landley
If they'd instead just manually delisted offenders early and started making rules to flag potential copycats asap, many of the techniques would never have taken off. Lots of resources spent designing new attack, minimal payoff.
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Replying to @RichFelker @landley
And by controlling the ad market & delaying payouts, they could have revoked ad earnings and made the payoff zero.
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Replying to @RichFelker @landley
Not saying it's remotely justifiable that they controlled these markets. But they could have used that control for the good of users in addition to evil uses.
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