20 days of new Content Marketing Ideas: #15 - Double your email subscribers

This is my third week of posting one content marketing idea each business day in June. 

With mid-year approaching, you may be searching for innovative content ideas. 

You can take some action towards each one each day – to help you enjoy greater success for the rest of 2013.

15. Set a goal for the next 6 months to double the number of email subscribers to your content.