Also a reminder, Google has lied about this in the past. E.g. http://www.thecrimson.com/article/2016/3/23/alumni-lawsuit-a... .
That being said, I think it's probably true that they've stopped doing so.
That being said, I think it's probably true that they've stopped doing so.
Just as a reminder for everyone (and I appreciate that the parent comment does not directly claim that this is the case), Google claims not scan or read your emails in Gmail to show you ads, nor to sell your information to advertisers.
Source: https://support.google.com/mail/answer/6603?hl=en
Just thought I'd point that out before the FUD/tin-foil kicks in too much :)