According to What Technology Wants, a book by Kevin Kelly, one of the founders of Wired magazine, America's flintknappers produce over a million new arrow and spear heads every year.
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至于凯文·凯利的观点:既然他的极具吸引力的好书就要及时出版了,还是让卡利自己表达吧。
As for Kevin Kelly's view: I'll let Kelly speak for himself as the timely publication of his fascinating book approaches.