Instant messaging applications for mobile devices, such as BlackBerry Messenger, are becoming so popular that use of text messages by 15-24 year olds will fall by a fifth in many large markets including the UK, analysts predict.
分析师们预测，随着移动设备上的即时通讯应用如BlackBerry Messenger (BBM)日益流行，在英国等许多大型市场的15至24岁用户中，手机短信的使用量将下降五分之一。
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