Sell Out is a google chrome extension that aids you in determining which websites sell out your email after you sign up through their website.
It works through gmail, which has a nifty feature of forwarding any emails with dots in it to the email without dots. For example, [email protected] and [email protected] forward to [email protected].
The extension takes advantage of that to generate a unique email for every website you sign up for (though you don't HAVE to use it if you don't want to!). When you generate a new unique email, it checks the website in the omnibox in chrome and saves the website name and the unique email in a key value pair in local storage.
When you open the extension the next time, it scans through your email for emails that came to one of the unique emails (that are set to track) and if the site name that matches that unique address doesn't match up to the from field, it's flagged as spam within the extension and displays that to you in tabular form.
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