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"I would like to open by paraphrasing Dobzhanzky's well-known title (1973) and assert that nothing in human psyche and society makes sense except in the light of cultural evolution. Having written the paraphrase I must confess that, alas, I cannot affirm it. The study of cultural evolution will not yet support such an assertion. It is too scattered and incomplete. Yet I believe that such a paraphrase indicates the proper scope for a robust investigation of cultural evolution. Accordingly I'll offer a few observations on what we must do to move in that direction."

"Educational technology companies and entrepreneurs may face the risk of a "tech bubble," similar to the massive boom-and-bust that rocked the technology market in the late 1990s, according to market analysts and a recently released paper. A relatively new focus on K-12 educational technology as an investment vehicle, a surge of investors looking to cash in on the latest innovations, and fewer barriers to developing an ed-tech business have merged in ways that have some market observers wary of what's ahead. The flurry of activity is prompting comparisons to the dot-com crash of the late 1990s, which brought the failure of many technology-related businesses that had drawn huge sums of money from investors. "