Goodreads integration combines the world’s largest e-reading community and the world’s largest community of book lovers—see what your friends are reading, share highlights, and rate the books you read
Second Screen lets you fling movies and TV shows from your tablet to your TV—use your TV as the primary screen and your tablet as a customized display for X-Ray
New enterprise features make Kindle Fire tablets ready for work
Additional new features of this free software update include cloud Collections, dictation, wireless printing, and more
http://www.digitalbookworld.com/2013...rating-system/