Mobile phone commercially available handheld mobile phone. From 1983 to 2014, worldwide mobile phone subscriptions grew to over seven billion—enough to provide one for every person on Earth. In first quarter of 2016, the top smartphone developers worldwide were Samsung, Apple, and Huawei, with smartphone sales represented 78 percent of total mobile phone sales. For feature phones (or "dumbphones") , the largest were Samsung, Nokia, and Alcatel. A handheld mobile radio telephone service was envisioned in the early stages of radio engineering. In 1917, Finnish inventor Eric Tigerstedt filed a patent for a "pocket-size folding telephone with a very thin carbon microphone".
Mobile phone content advertising Mobile phone content advertising Mobile phone content advertising is the promotion of ring tones, games and other mobile phone services. Such services are usually subscription-based and use the short message service (SMS) system to join up to them. Another method is broadcasting messages to the mobile phone's idle-screen, enabling the mobile operators or advertisers to reach millions in real-time. The advertising and sale of ring tones in particular has seen a massive growth in recent years, with some commercial breaks, particularly on music television channels and in motor racing (especially NASCAR, with Sprint Nextel as the series sponsor), being dominated