I hope more people expirament with services like Letter.ly. However, I think the newsletter’s topic must give the subscriber the sense of “insider” information. As content becomes a Demand Media-fueled race to the bottom, smart, insidery information will be at a premium. I would pay $10 a month for an email newsletter about NFL X’s and O’s.
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Sean Blanda is a journalist / entrepreneur living in Philly. Read more 

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If you'd rather not use Facebook, click "change" to use another service. Also, read this.