NTT DoCoMo, the leading mobile operator with 55% of the market, pioneered mobile Internet access in 1999, and today many subscribers rely on their phones as much for E-mail as for voice calls.

移动互联网接入于1999年由ntt DoCoMo(日本最大的移动运营商，市场占有率55%)首创。如今许多用户依靠手机收发电邮的频率已经和通话不相上下。

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Mobile operator O2 is to provide free internet to "millions" of residents and visitors in central London by launching Europe's largest free wi-fi zone.

BBC: 'Europe's biggest' free wi-fi zone set for London

MACH's Direct Billing Gateway provides an operator billing service for mobile applications, content and mobile internet services, allowing providers to charge subscribers for services direct to their mobile phone bill or pre-paid balance.

ENGADGET: Skype strikes deal with Mach to expand direct carrier billing for credit purchases

At the moment only mobile operator EE is able to offer customers the 4G service, which provides faster mobile internet connections.

BBC: 4G to affect TV reception in two million homes