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.
分析師們預測，隨著移動設備上的即時通訊應用如BlackBerry Messenger (BBM)日益流行，在英國等許多大型市場的15至24歲用戶中，手機短信的使用量將下降五分之一。
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