The new Sony Reader WiFi is a world’s lightest 6-inch multi-touch screen e-reader . It is the first e-reader from Sony featuring a sensitive touchscreen with “Clear Touch Infrared” technology . It weighs only 168 grams and is merely 8.9mm thick . It has wireless LAN connectivity and sports up to 32GB expandable memory .Its E Ink Pearl electronic paper displays a clear, glare-free, high contrast image that’s easy to read for hours, even in direct sunlight.