How the new Gmail image proxy actually works and what does this mean for you (filippo.io)

Thanks for this. There is so much false information floating around, it was a relief to find a presentation of the facts, backed up with evidence.

"the single most useful piece of information a sender gets from you loading the image is that/when you read the email"

Marketers around the world rejoice.

I'm guessing everyone just had a bump in open rates today.