Before the launch of the iPhone 4, Apple had a 23% share, Nielsen found.
尼尔森数据显示，在iPhone4上市之前，苹果占有23%的市场份额。
Nielsen did not provide any statistics on the reading time for the PC monitor.
尼尔森没有提供任何关于在电脑显示器上阅读的统计。
"Experience tells us such a system is almost impossible to predict," Nielsen said.
“经验告诉我们，这样的一个系统基本上是不可能预测的。”尼尔森说道。
Last year, Nielsen looked into what impact social media is having on E-mail usage.
尼尔森在去年研究了社交媒体对电子邮件使用的冲击。
Last year, Nielsen looked into what impact social media is having on E-mail usage.
尼尔森在去年研究了社交媒体对电子邮件使用的冲击。
应用推荐