One hand, from extremely serious shortage to surplus on Market, from extreme high to very low level on profits, from simple single to variety on products, it changes widely and fast.

一方面，市场从供不应求到产能过剩，行业利润从极度暴利到严重微利，产品从简单单一到丰富多样，变化波及面广、速度快。

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Compared to the consumer surplus from innovation the retention of profits by the innovators is vanishingly small.

FORBES: Apple's Profits, Apple's Taxes, Are Near Irrelevant: A Response To Robert Reich