China's internet population has reached 404 million, up from 384 million at the end of 2009, and the number of people accessing the internet with mobile phones there has reached 233 million.

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Apple recently announced that its App Store now offers 225,000 apps which collectively have been downloaded 5 billion times.

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In 2009, revenues from mobile apps amounted to nearly $10 billion.

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In America, 30% of teenagers send more than 100 texts a day.

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At the end of 2008, there were 189 million mobile-broadband connections generating on average 175 megabytes of traffic per month. A year later the respective figures were 312 million and 273 megabytes - a growth of 158%.

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Apple has just 2.2 per cent of the world cell-phone market, but even that means it sold twenty-five million iPhones in 2009.

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Facebook accounts for nearly half of all the time people in the UK spend going online using their phones. Britons spent around 2.2 billion minutes browsing the social network during December 2009 alone.

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American teenagers send 3,146 text messages a month, which translates to more than 10 messages every hour of the month that they are not sleeping or in school. Even the under 12 segment send 1,146 text messages per month, which is almost four text messages per waking hour that they are not at school.

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Samsung sold 277m mobile phones in 2009, up 16 per cent from 2008 in a global market that shrank by 10 per cent.

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Despite the surfeit of available apps - some 140,000 and counting - the average iPhone or iPod Touch owner uses between 5 to 10 apps regularly.

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China is the world’s largest market for mobile telephony, with over 700 million subscribers. India is adding the biggest number each month: 15.6 million in March 2009 alone.

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The average Puerto Rican spends 1,875 minutes a month talking on the mobile phone - the highest of anywhere in the world.

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In Europe, mobile subscribers typically spend about $36 a month, a figure known in the industry as the average revenue per user (ARPU). In America that figure is $51 and in Japan $57. But in China it is only around $10 and in India less than $7.

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In Kenya, roughly $ 2 million is transferred through the M-PESA mobile payment system each day, with an average amount of $20.

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In 2002, the average Japanese mobile user spoke on it for 181 minutes each month, about the global norm. By early 2009 that had fallen to 133 minutes, then only half the world average.

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In early 2000, an average mobile phone user spoke for 174 minutes a month. By early 2009 that had risen to 261 minutes, which suggests that humanity spends over 1 trillion minutes a month on mobiles, or nearly 2 million years.

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In the year to March 2009, an additional 128 million mobile users signed up in India, 89 million in China and 96 million across Africa.

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In 2000, developing countries accounted for around one-quarter of the world’s 700 million or so mobile phones. By the beginning of 2009 their share had grown to three-quarters of the total, which by then had risen to over 4 billion.

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Nokia's share of industry profits fell from 64% in 2007 to 32% in 2009.

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The iPhone App Store boasts 85,000 applications and a total of more than 2 billion downloads.

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