在流量红利尚在的阶段，交易规模的扩张可以掩盖效率与分配问题；但当新增用户放缓、使用频率趋稳，平台增长就不可避免地从规模扩张转向单位变现。这一转变，使抽佣的性质发生了变化。它不再只是对撮合价值的回报，而逐渐承担起补增长的角色。
-mac HMAC -macopt hexkey:$mshex -binary /tmp/a1，更多细节参见电影
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“You won’t even need the engineering degree, except if your passion is learning,” Khosla said. “Whether you’re talking about farm workers or assembly line workers or retail workers or accountants, that’ll be all free in a competitive economy. That means declining prices.”
В России ответили на имитирующие высадку на Украине учения НАТО18:04。业内人士推荐PDF资料作为进阶阅读