Here's a question... does that 'follow' button actually just extract the RSS feed tag from the page, and store it locally for use in your new tab page... OR doe

Here's a question... does that 'follow' button actually just extract the RSS feed tag from the page, and store it locally for use in your new tab page... OR does it do a round robin to Google so they can track which feeds are being fetched? If it's the latter, then no-thank-you.