The iBooks kept their RAM behind the keyboard.
毕竟广告控股公司的盈利模式，早就从收服务费，变成了吃返点、赚价差，利润更多锁在那些非透明的主采盘子和各类非媒体相关收入里。
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"So we've gone out and spoken to retailers about what's going on and we want to make sure that their voices and cash users' voices are heard as the way we pay for things is changing."