News for hackers. Stuff that matters.

A comment on Introducing the Invisible reCAPTCHA. Parent comment

Re:Introducing the Invisible reCAPTCHA by littlehood on Thursday March 09, 2017 @08:45AM (#13829152)
Gmail does something to divert it - it downloads all the resources once and CDNs them for you, so the email author can't see who and where opened the email.
[ Parent | on HN ]

There are no comments on this comment yet.