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so recently i tweeted on the "bird site" about something interesting i noticed on the facebook landing page - if you're logged out, the site's js will check to see if your browser filled in an autofill / autocomplete username, and if so, sends it back to facebook, presumably for tracking reasons.

this kinda pissed me off, since i've had a deleted facebook account forever, but have (as any normal internet user will be forced to do) gone to facebook links. they really got me this time!

so i'm curious how many other sites exhibit this behavior, and i'm using this curiousity as an excuse to do my first Go project and write a little web scraper today :)

@bnchdrff It’s a good reason to purge your autofills periodically, or turn them off.

@publius true enough, my personal vigilance was lacking. but i'm really curious how they might be using that data; it's so insidious!!!

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