"Last month, MIT unveiled the Billion Prices Project, an inflation measure based on 5 million items sold by 300 online retailers in 70 countries...Google's chief economist Hal Varian decided to use Google's vast database of Web prices to construct the 'Google Price Index,' a constantly updated measure of prices changes and inflation."
Inflation Tracking is Faster Than Ever. Is That a Good Thing.
by Annie Lowrey
http://www.washingtonpost.com/wp-dyn/content/article/2010/12/23/AR2010122305070.html
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