Smartphones, even more than tablets and e-readers, have fostered a new type of reading, sometimes called “interstitial” reading. It’s the chapters, pages and paragraphs snatched up during those scraps of time that might once have been squandered on People magazine or just staring off into space. Interstitial reading happens while people are sitting in waiting rooms and the backs of taxis or standing at bus stops and in line for movie tickets or at the DMV.
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