A Mobile phone is an electronic communication device. It is often called a cell phone. Radio wave or satellite transmission are the medium through which mobile phone gets connected to a wireless network. In addition to being a telephone, mobile phones provides various services like Short Message Service (SMS) Multi Message Service, gaming, Bluetooth, cameras, MP3 player, radio and GPS. The newer phones also provide Internet services like Web Browsing, e-mail etc. The models with advanced computing ability are referred to as smart phones which are treated as s high-end mobile phone.
Dr. Martin Cooper of Motorola first demonstrated the first hand-held mobile phone in 1973. The first commercially available mobile phone was released by Motorola in 1983. The statistics reveals about 12.4 million people worldwide were cellular subscribers in the year 1990. In less than 20 years the number has increased to approx. 4.6 billion, that is to say 370 times higher than in 1990. In 1990 Nokia surpassed the then leader Motorola. It emerged as pioneer in the industry But in 2003-2004 it received a hit when smaller Asian mobile vendors started making their appearance with their better products in lower prices which were becoming more and more affordable.
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