<p>Customers look at models of the Nook tablet at a Barnes and Noble store in Pineville, N.C., on June 21.</p>
June 30, 2013
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June 30, 2013 9 p.m.
<p>Customers look at models of the Nook tablet at a Barnes and Noble store in Pineville, N.C., on June 21.</p>
June 30, 2013