The iPad is a tablet computer designed, developed and marketed by Apple primarily as a platform for audio-visual media including books, periodicals, movies, music, games, and web content. At about 1.5 pounds (680 grams), its size and weight fall between those of contemporary smartphone and laptop computers.
Apple released the iPad in April 2010, and sold 3 million of the devices in 80 days. 
According to a report released by Strategy Analytics, the Apple iPad had gained a 95 percent share of Tablet PC sales at the end of second quarter 2010. During the second quarter 2010, Apple had sold 4.19 million iPads around the world.
The iPad runs the same operating system as the iPod touch and iPhone—and can run its own applications as well as iPhone applications. Without modification, it will only run programs approved by Apple and distributed via its online store.
Like iPhone and iPod Touch, the iPad is controlled by a multitouch display—a departure from most previous tablet computers, which used a pressure-triggered stylus—as well as a virtual onscreen keyboard in lieu of a physical keyboard. The iPad uses a Wi-Fi data connection to browse the Internet, load and stream media, and install software. Some models also have a 3G wireless data connection which can connect to Hyper Speed Packet Access (HSPA) data networks. The device is managed and synced by iPhone on a personal computer via USB cable.
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