When Google first launched it’s new Email service for free with almost unlimited storage space it drove many users to the service.
But the drawback is that every Email sent and received via a Gmail account is scanned and analyzed by the company in the aim for ad revenue and also to create profiles of every user based on keywords, meaning and tone found within Emails.
The privacy rights of every user are violated rigorously by this practice.
archived source: https://wellthissucks.xyz/2013/12/29/googles-email-service-is-used-to-profile-all-users-archived-source/