Amazon earlier this week struck a major deal with movie studio Epix, which adds thousands of movies to Amazon's movie library, including popular titles such as "The Avengers," "Iron Man 2" and "The Hunger Games." The Amazon Prime Instant Video service in total offers 120,000 movies and TV episodes. The company also added video content from ESPN and Warner Bros. Domestic Television Distribution over the past few months, and opened a new Appstore in the U.K., Germany, France, Italy and Spain, providing access to Android apps.

Amazon at the event also introduced the Kindle Paperwhite e-reader, which can light up and is aimed at people who want to read in bed before they fall asleep. The e-reader has a backlight that lights up the screen as well as GlowLight, which is similar to a feature on Barnes & Noble's Nook Simple Touch.

The Paperwhite gets eight weeks of battery life even with the light on, and has capacitive touch. It is 212 grams and is thinner than a magazine. It has a sharper screen than previous Kindle e-readers.

The Paperwhite with Wi-Fi will sell for $119. A 3G version will work in more than 100 countries and will be priced at $179 and ship on Oct. 1.