They did. They actually stopped not long ago (2017): https://variety.com/2017/digital/news/google-gmail-ads-emails-1202477321/ https://variety.com/2017/digital/

They did. They actually stopped not long ago (2017): https://variety.com/2017/digital/news/google-gmail-ads-emails-1202477321/ https://variety.com/2017/digital/news/google-gmail-ads-email...