Halfbakery: business: supermarket: trolley: traffic
http://www.halfbakery.com/view/fc=8056:s=c:d=iw:dn=100:ds=A:i=Ideas_20are_20sorted_20alphabetically_2e_3cbr_3e_0d_0a_3ccreated_3e:t=business_3a_20supermarket_3a_20trolley_3a_20traffic?op=editview
Ideas are sorted alphabetically.<br>
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Halfbakery (mailto:bakesperson@gmail.com)
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Shopping Cart Etiquette Alarm (-0.5)
http://www.halfbakery.com/idea/Shopping_20Cart_20Etiquette_20Alarm
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Shopping Cart Turn Signals, Lanes in grocery aisles (0.5)
http://www.halfbakery.com/idea/Shopping_20Cart_20Turn_20Signals_2c_20Lanes_20in_20grocery_20aisles
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Supermarket traffic system (-1.0)
http://www.halfbakery.com/idea/Supermarket_20traffic_20system
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The Day of The Trolley (1.0)
http://www.halfbakery.com/idea/The_20Day_20of_20The_20Trolley
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trolley lanes (0.5)
http://www.halfbakery.com/idea/trolley_20lanes
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Warning flags (-0.5)
http://www.halfbakery.com/idea/Warning_20flags