Neither of these things are true – or false really.
No one at Google is sitting down and reading Gmail users’ emails. However, the company’s algorithms are scanning various messages to match ads to users.
Microsoft’s half truths are problematic for Google because, while they are not entirely true, consumers may not appreciate the nuanced difference between “Google reads your email,” and “No one reads your email but you. Like most major email providers, our computers scan messages to get rid of spam and malware, as well as show ads that are relevant to you,” which was Google’s response to this specific claim.