It's a beautiful day for a book sale. The @mitpbookstore dock sale--going on right now.
@mitpress @mitpbookstore 2nd Harvard Conference on #Innovation and Global #Development http://awe.sm/c4DDk | June 2013
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@mitpress @mitpbookstore 2nd Harvard Conference on #Innovation and Global #Development http://awe.sm/c4DDk | June 2013