Find out how supermakets get you to spend more. Supermarkets Inc. Tonight at 9p

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SUPERMARKETS INC: Inside a $500 Billion Money Machine          PREMIERES TONIGHT 9:00 PM ET/PT     Supermarkets Inc: Inside a $500 Billion Money Machine, Premieres Tonight at 9:00 PM ET/PT     CNBC takes you inside a different type of market, uncovering the little known psychological tactics of the supermarket. Did you know that some stores use heat maps to track which aisles you walk down — and which ones you don't? Or that they put the milk at the end of the aisle so you're forced to pass a hundred other items on your way to get it?  Go beyond the sliding doors of this five hundred billion dollar industry for a look at what you don't know about your supermarket, and more importantly, what they know about you. » Watch the preview       Recession Resistant Supermarket Products » View slideshow       Instant Coupons "Scan It," is the newest wave in supermarket checkouts – a hand-held grocery scanner that knows you better than you think. » Watch video   High Tech Supermarket Supermarkets are increasingly using high tech devices in an effort to get you to buy more. » Watch video     Small grocers vs the Giants How do independent grocers compete against the industry giants? » Watch video   Tomorrow The future of air travel may be headed for unfriendly skies. The Sky's the Limit premieres tomorrow at 9PM.     Encore presentation: Target: Inside the Bullseye Tonight at 8:00PM ET   Encore presentation: The New Age of Walmart February 3rd at 8:00PM ET     Become a CNBC fan on Facebook   Follow CNBC Originals on Twitter     To unsubscribe to this email click here. If this e-mail was forwarded to you and you'd like to sign up for additional alerts from CNBC click here.     © 2011 CNBC, Inc. All Rights Reserved. 900 Sylvan Avenue, Englewood Cliffs, NJ 07632