Number of Adults in U.S. Who Use E-Books Topped 50 Million in 2012 — But Consumer Base, Buying Habits Changing (via MarketWired)

SOURCE: Simba Information April 18, 2013 12:24 ET STAMFORD, CT–(Marketwired – Apr 18, 2013) – Simba Information, the market research firm specializing in publishing and media, has released the fifth edition of its Trade E-Book Publishing report series, which has closely followed the digital book market…