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The chief scientist at Hubspot (web marketing experts) has written a new book on how to spread your message with social media. It’s free (kindle version, which will also run on a computer) today (August 23) only. Get your copy here.

Free webinar (about the Hubspot book) at 2PM US Eastern time today. Details here.

Bernadette Jiwa has put together a free ebook (with contributions from Chris Gillebeau and Derek Silver) called You Are the Map Maker.  Get the book here.