After developing the Search Inside technology, Amazon began lobbying American publishers to digitize their listings and to license their copyrights. As a result of this campaign, there were already 90,000 titles available for readers to purchase / download for use on Kindle when Amazon released the digital reader in 2007. Labor and time intensive
開發出「全文檢索」技術後，亞馬遜也開始說服美國出版社建置電子書檔案，並取得部分授權，當 2007 年底 Kindle 上市時，才能同時推出 9 萬種電子書供讀者選購下載。