可能每个有移动设备的人在喝咖啡，在火车上，在一个购物中心或酒店时，都曾经登录过不用付费的公共无线网络。
Probably everyone with a portable device has once logged on to a public WiFi network without paying for it, while they are having a coffee, on a train, in a shopping mall or at a hotel.
网站给Janrain付费，但是网站自身也能从中获益，因为他们可以获得用户的登录信息以及用户提供的关于其他网站的信息。
Web sites -that pay Janrain for its services -benefit because they can piggyback on the login and profile information users provide to other sites.
我们最近的一系列研究显示，只有5%的消费者愿意为登录他们喜爱的网站付费。
Our recent research series showed that only five percent of consumers would pay to read their favourite site.
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