@Calestous, your tweet on mobile phones exactly embodied what is in the book, Abundance,http://tinyurl.com/7ojdewf .
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@fletch92131 It is a great book.I read it this summer.
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@Calestous Interesting paper keep tweeting more informative papers on this with special emphasis on African venture. Thank you keep it upThanks. Twitter will use this to make your timeline better. UndoUndo
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