Amazon unveiled its latest Kindle e-reader this week, an updated Paperwhite with improved front-screen lighting, greater contrast, more responsive touch panel and faster processor. Software updates will include integration of book recommendation site Goodreads, which the company purchased earlier this year. The new device is available for preorder for $119 — or $139 without ads — and will ship later this month. The $189 3G version will be released on November 5th. The online retailer also announced a program for buying discounted e-books. Continue reading Amazon Updates Kindle E-Reader Line with New Paperwhite