[编者按]当今,我们已经超越了索洛那个“你可以看到计算机无处不在,但是在生产率的统计上却无影无踪”的时代,而是进入了“任何经济活动都刻上了互联网”的“互联网+”时代。随之一系列新范畴也如雨后春笋般的涌现,诸如B2B、B2C、C2C,等等。更有甚者的是网商阿里巴巴销售额连续多年实现了高增长,2014年销售总额为2.3万亿元,比上一年网上零 [Editor’s note] Today, we have surpassed Solow’s “you can see the computer everywhere, but it’s out of nothing in terms of productivity statistics.” Instead, it goes into “any economic activity Engraved on the Internet ”“ Internet + ”era. A series of new categories have also sprung up like B2B, B2C, C2C and many more. What is even worse is that online retailers Alibaba sales for many years to achieve high growth in 2014 total sales of 2.3 trillion yuan, compared with the previous year online zero