但广告化并不天然等于价值创造。当所有商户都必须通过竞价才能被看到时,广告费便从增量工具演化为入场券。单个商户的理性选择,是继续加价以维持原有订单量;但从整体看,供给侧为此付出的总成本却在不断上升,而需求并未同步扩大。平台收入提高,但供给侧整体并未获得更多有效需求,反而陷入内耗式竞价。这种结构下,广告化更像是将抽佣换了一种更隐蔽的形态,甚至加剧了零和博弈。
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,这一点在同城约会中也有详细论述
Source: Computational Materials Science, Volume 267
The valuation represents a 31% increase from the $6.1 billion valuation the 13-year-old company achieved in April of last year, when it raised a $575 million round led by Franklin Templeton for partly the same purpose: purchasing shares from employees, including to help them cover the taxes associated with converting expiring restricted stock units (RSUs, a form of equity compensation) into shares.
Balanced against that, finding cancers early and treating them can save lives. But it's difficult for doctors to work out which cancers are going to be aggressive and spread, which means men can be treated unnecessarily.