Can Gmail Ads Get Even More Annoying?
tutanota.com
tutanota.com
> The scanning of emails and personal information to serve tailored advertisements [...]
> Gmail users may feel uneasy knowing that their private communications and even Google calendar data are being scanned and analyzed for advertising purposes.
This appears to be false. From Google (https://support.google.com/mail/answer/6603?hl=en):
> We will not scan or read your Gmail messages to show you ads.