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November 27, 2015 05:58 am -05

Data-mined photos document 100 years of (forced) smiling

Here's an odd fact: Turn-of-the-century photographers used to tell subjects to say "prunes" rather than "cheese," so that they would smile less. By studying nearly 38,000 high-school yearbook photos taken since 1905, UC Berkeley researchers have show...

Original Link: http://www.engadget.com/2015/11/27/yearbook-photos-evolution/

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Engadget

Engadget is a web magazine with obsessive daily coverage of everything new in gadgets and consumer electronics. Engadget was launched in March of 2004 in partnership with the Weblogs, Inc. Network (WI

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