- published: 27 Nov 2015
- views: 7249599
A mobile phone is a telephone that can make and receive calls over a radio frequency carrier while the user is moving within a telephone service area. The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which provides access to the public switched telephone network (PSTN). Most modern mobile telephone services use a cellular network architecture, and therefore mobile telephones are often also called cellular telephones or cell phones. In addition to telephony, modern mobile phones support a variety of other services, such as text messaging, MMS, email, Internet access, short-range wireless communications (infrared, Bluetooth), business applications, gaming, and photography. Mobile phones which offer these and more general computing capabilities are referred to as smartphones.
The first handheld mobile phone was demonstrated by John F. Mitchell and Martin Cooper of Motorola in 1973, using a handset weighing c. 4.4 lbs (2 kg). In 1983, the DynaTAC 8000x was the first commercially available handheld mobile phone. From 1983 to 2014, worldwide mobile phone subscriptions grew to over seven billion, penetrating 100% of the global population and reaching the bottom of the economic pyramid. In 2014, the top mobile phone manufacturers were Samsung, Nokia, Apple, and LG.
Whippoorwills call, evenin' is nigh
Hurry to my Blue Heaven
Turn to the right, there's a little white light
Will lead you to my Blue Heaven
You'll see a smilin' face, a fireplace, a cozy room
Little nest that nestles where the roses bloom
Molly and me, and the baby makes three
We're happy in my, in my Blue Heaven
You're gonna see a smilin' face, fireplace, cozy room
And a little nest nestled where the roses bloom
Just Molly and me, and the baby is three
We're so happy in my Blue Heaven
We're happy in my Blue Heaven