the device has a battery that lasts 10 hours and can sit for a month on standby without needing a charge
the iPad a laptop replacement, especially because Apple is also selling a dock with a built-in keyboard
using an on-screen keyboard and flipped through photo albums by flicking his finger across the screen.
He also showed off a new electronic book store and a book-reading interface that emulates the look of a paper book. That puts the iPad in competition with Amazon.com Inc.'s Kindle and e-book store
iPad will also be better for playing games and watching video than either a laptop or the small screen of a smart phone
The half-inch(1.27 centimeter)-thick iPad is larger than the company's popular iPhone but similar in design. It weighs 1.5 pounds (0.68 kilograms) and has a touch screen that is 9.7 inches (24.6 centimeters) diagonally. It comes with 16, 32 or 64 gigabytes of flash memory storage, and has Wi-Fi and Bluetooth connectivity built in.