After some investigation, I found that in the current state of the Ghost CMS, the subscribe button does nothing but collect email addresses. There is work in the pipeline to send emails automatically on new posts/updates, but that feature is currently not implemented. So, if you subscribed, you won't be receiving emails about new posts. If you want to be receiving emails, feel free to subscribe to the RSS feed by clicking here, or to the right of the navigation buttons.
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