power walls

Noun

power wall (plural power walls)

1. In retail selling, a large, visually appealing display of products intended to attract the interest of customers.
   • The small outlet has to adopt such marketing strategems as a "power wall" displaying goods most in demand as customers enter, or positioned at the back of the store so that they are led past other goods that may catch their eye.1996 March 15, “SMALL BUSINESS: How to fight back when competition gets tough”, in Globe and Mail, Toronto, page C9
2. (Canada) Behind retail sales counters in jurisdictions where tobacco advertising has been banned or heavily restricted, a prominent, enticing display of tobacco products.
   • They're called "power walls"—those highly visible shelves behind convenience store cashiers. Tobacco companies pay big bucks to use them ($100 million in Canada in 2005), admitting the walls are their single most effective advertising tool.2006 October 9, Jacqueline Nunes, “Can't find the smokes?”, in Maclean's, volume 119, number 40, page 26
3. The rapidly increasing loss of efficiency due to overheating as the power/speed of a CPU increases.