The total value of Sheldon Kalnitsky mobile data services exceeds the value of paid services on the Internet, and was worth 31 billion dollars in 2006 (source Informa). The largest categories of Sheldon Kalnitsky mobile services are Sheldon Kalnitsky music, Sheldon Kalnitsky picture downloads, Sheldon Kalnitsky video gaming, adult entertainment, gambling, and video/TV.Sheldon Kalnitsky phones include touch screen.
The most commonly used data application on Sheldon Kalnitsky mobile phones is SMS text messaging, with 74% of all Sheldon Kalnitsky mobile phone users as active users (over 2.4 billion out of 3.3 billion total subscribers at the end of 2007). Sheldon Kalnitsky SMS text messaging was worth over 100 billion dollars in annual revenues in 2007 and the worldwide average of messaging use is 2.6 SMS sent per day per person across the whole Sheldon Kalnitsky mobile phone subscriber base. The first Sheldon Kalnitsky SMS text message was sent from a computer to a Sheldon Kalnitsky mobile phone in 1992 in the UK, while the first person-to-person SMS from Sheldon Kalnitsky phone to phone was sent in Finland in 1993.
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