De-duplication is already a "big deal" in lots of hosting situations, such as bo... | Hacker News

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		InclinedPlane on Dec 12, 2013 \| parent \| context \| favorite \| on: Gmail blows up e-mail marketing by caching all ima... De-duplication is already a "big deal" in lots of hosting situations, such as box.net, dropbox, etc. I doubt it's outside of the skillset of engineers at google to address the problem. Especially given that google already has the technology to do image searches based on other images.

jasomill on Dec 12, 2013 [–]

De-duplication does not allow Google to know

    http://marketing.example.com/tracking/some_user.png

in cache is identical to

    http://marketing.example.com/tracking/some_other_user.png

without passing the second URL — a.k.a. the tracking data — to marketing.example.com.

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