It's also weird that they didn't explain the how behind this line: > Instead of serving images directly from their original external host servers, Gmail will n

It's also weird that they didn't explain the how behind this line: > Instead of serving images directly from their original external host servers, Gmail will now serve all images through Google’s own secure proxy servers. In most cases, the unique identifiers are embedded in the URLs themselves, so simply serving through a proxy is ineffective. Should I blindly trust that you, Google, did the right thing? Edit: looks like Google isn't stripping out the query parameters AND it isn't proxying for iOS devices! This is by far the least effective set of decisions... http://blog.movableink.com/gmails-recent-image-handling-changes-the-impact-and-resolution/?utm_source=Movable+Ink+Newsletter&utm_campaign=0a07fae09d-December_2013_newsletter12_11_2013&utm_medium=email&utm_term=0_87cc366eea-0a07fae09d-324220977 http://blog.movableink.com/gmails-recent-image-handling-chan... I wonder if this change is a result of backlash over the promotions tab. These type of referenced images are most commonly used in marketing campaigns and were from businesses likely to pay good money to AdWords. As a concession for fewer overall impressions, perhaps, these groups got Google to let them track easier? The whole thing smells fishy.