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Comment by Wowfunhappy | Hacker News Reader

> I think this is just what Google does when it thinks you're a "bot": i.e. they don't know who you are.

I do wonder why though. For a long time, I assumed it was a rate limiter, but then another HN commenter pointed out to me that time is more valuable to humans than bots. Bots can work on multiple captcha's in parallel.

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My thoughts exactly. A bot doesn't care if it takes 2 seconds to fade the images out and in for another challenge round, but a human viewing it perceives it as a frustrating delay.

I've become accustomed to just closing any page that presents me with a v2 reCAPTCHA.

Unfortunately one of those pages was the Equifax settlement. And other similar “important” sites. I never seem to come across them when it’s a service I could easily quit or avoid.

Why would anyone protect an "unimportant" site with a captcha? The value of the information, to someone, in bulk, is exactly why some throttling is needed.

This might not be so sinister. It so happens that "important" operations, like a class action lawsuit settlement, are also the type of thing you'd particularly want to protect from bots.

Good CAPTCHAs are solved by farming them out to low-paid workers, not bots.

Why? Maybe Google hopes that if reCAPTCHA is sufficiently annoying and prevalent that users will disabled any and all tracking extensions they've enabled?

Or maybe they notice that they don't get the same problems on Chrome, so they move to that...

Probably neither explicitly as a human judgment, but both constructively - some A/B experiments noticed favorable numbers went up by doing the crappy thing, and so it has been decided.

I'm waiting for the day when it pops up "find the humans" and there's someone clearly wearing CV-camouflage. For anyone that doesn't get it: you let that human hide, because it could be you in twenty years.

A lot of bots use humans to solve captchas, so the human time is important.

The bot is delegating what it presents to the human, though. So just present the human with images that have already faded in (and if no image has finished fading in, switch to the images from the other captcha).

Edit: Unless, it occurs to me now, Google is monitoring how the user responds to the fade in. When in the fade process do they click the square, for instance.

Still seems like it wouldn't be all that helpful, though.

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