It’s well-known that filling in a form with your email address — say, to get a discount on a product, receive a newsletter, or get the results of a quiz — means you are going to get email from that vendor, and possibly from a bunch of other vendors and / or advertisers, forever.
One of the ways to subvert this has traditionally been to create a free email account to use for sites that you want to register with but that you suspect will be the gateway for a large amount of spam. This is what I did. However, over time, that designated email account can become so well-used that it stops being a hidey-hole for spam and becomes another account that offers advertisers and others a source for information to aggregate.
This is where…