How to opt out of Yahoo Mail’s invasive data scanning

Today, the Wall Street Journal reported Yahoo Mail is still scanning users’ emails for data to sell to advertisers. Yahoo’s owner, Oath, is reportedly in talks with advertisers to provide a service that would scan over 200 million Yahoo Mail inboxes for insights on whether users are frequent fliers, self-employed, and other qualities gleaned from retail emails they receive. There are two main ways users can still protect themselves from this data mining: they can opt out and they ca