In the fall of 1998, The Arbitron Company and Continental Research (Arbitron's subsidiary in the United Kingdom) conducted a pilot test of the personal portable meter (PPM) in Manchester, England.
Arbitron's U.S. trial of its Portable People Meter (PPM) system has added the 189 Houston-area stores of that country's largest drugstore chain, Walgreens. To take part, the stores will use encoded ...
Arbitron is in contact with radio, TV and cable outlets in Houston, weighing support for a second portable people meter test market. No decision has been made, however, and Arbitron spokesman Thom ...
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