History List: Most browsers have a pull-down menu which displays the sites you've recently visited so you can return to site instantly or view your latest surfing session. The same mechanism makes it possible for servers to track where you were before visiting a particular site -- better viewing habit information than television networks ever dreamed of providing.

 

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History List: Most browsers have a pull-down menu which displays the sites you've recently visited so you can return to site instantly or view your latest surfing session. The same mechanism makes it poss . . . View Full Definition

Mutualistic: Conferring reciprocal benefit to individuals of two different associated species

National Priorities List For Uncontrolled Hazardous Waste Sites: (National Priorities List or NPL) EPA's list of the most serious uncontrolled or abandoned hazardous waste sites in the United States. The NPL is updated on a regular basis.

Multiple-Listing Service (MLS): A marketing organization composed of member brokers who agree to share their listing agreements with one another in the hope of procuring ready, willing and able buyers for their properties . . . View Full Definition