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1. iPhone(APPLE INC.)

2. About iPhone
 iPhone is a line of smartphones designed and marketed by Apple Inc. They
run Apple's iOS mobile operating system.
 The first generation iPhone was released on June 29, 2007; the most recent
iPhone models are the iPhone 6s and iPhone 6s Plus, which were unveiled
at a special event on September 9, 2015.
 The user interface is built around the device's multi-touch screen, including
a virtual keyboard.
 The iPhone has Wi-Fi and can connect to cellular networks.
 There are nine generations of iPhone models, each accompanied by one of
the nine major releases of iOS.

3. History and availability
 Development of what was to become the iPhone began in 2004, when
Apple started to gather a team of 1000 employees to work on the highly
confidential "Project Purple", including Jonathan Ive, the designer behind
the iMac and iPod.
 Apple CEO Steve Jobs steered the original focus away from a tablet, like
the iPad, and towards a phone.
 Apple rejected the "design by committee" approach that had yielded
the Motorola ROKR E1, a largely unsuccessful collaboration with Motorola.
 Jobs unveiled the iPhone to the public on January 9, 2007, at
the Macworld 2007 convention at the Moscone Centre in
San Francisco.

4. Sales and profits
 Apple sold 6.1 million first generation iPhone units over five quarters. Sales
in the fourth quarter of 2008, temporarily surpassed those of Research In
Motion's (RIM) BlackBerry sales of 5.2 million units, which briefly made
Apple the third largest mobile phone manufacturer by revenue,
after Nokia and Samsung (However, some of this income is deferred).
Recorded sales grew steadily thereafter, and by the end of fiscal year 2010,
a total of 73.5 million iPhones were sold.

5. Apple Upgrade Program
 Apple has recently released their latest lineup of iPhones in September
2015. These include the iPhone 6s and iPhone 6s Plus models.
 With this new program, consumers will be able to pay off their new
iPhones in monthly installments instead of all up front. The main benefit of
this program is to allow consumers to trade in their iPhones every 12
months for the latest iPhone models. This gives the consumer the ability to
always upgrade to the latest and greatest iPhone. The iPhone that Apple
will send will also include 2 years of their Apple Care+ protection plan. In
addition, the iPhone will be unlocked so that it may be used with any
carrier.

6. Hardware
 Screen and input
 Sensors
 Proximity sensor
 Ambient light sensor
 Accelerometer
 Magnetometer
 Audio and output
 Battery
 Camera
 Liquid contact indicators

7. Models
As of October 2015, there are 12 different produced iPhones:
 iPhone (2007 — 2008)
 iPhone 3G (2008 — 2010)
 iPhone 3Gs (2009 — 2012)
 iPhone 4 (2010 — 2014)
 iPhone 4s (2011 — 2014)
 iPhone 5 (2012 — 2013)
 iPhone 5c (2013 — 2015)
 iPhone 5s (2013 — present)
 iPhone 6 (2014 — present)
 iPhone 6 Plus (2014 — present)
 iPhone 6s (2015 — present)
 iPhone 6s Plus (2015 — present)