Króna (1918–1981)',
  'ILR' => 'Israeli Shekel (1980–1985)',
  'MKN' => 'Macedonian Denar (1992–1993)',
  'MVP' => 'Maldivian Rupee (1947–1981)',
  'MXV' => 'Mexican Investment Unit',
  'MDC' => 'Moldovan Cupon',
  'MCF' => 'Monegasque Franc',
  'MZM' => 'Mozambican Metical (1980–2006)',
  'PEI' => 'Peruvian Inti',
  'PES' => 'Peruvian Sol (1863–1965)',
  'XRE' => 'RINET Funds',
  'KRH' => 'South Korean Hwan (1953–1962)',
  'KRO' => 'South Korean Won (1945–1953)',
  'ESA' => 'Spanish Peseta (A account)',
  'ESB' => 'Spanish Peseta (convertible account)',
  'UAK' => 'Ukrainian Karbovanets',
  'UYI' => 'Uruguayan Peso (Indexed Units)',
  'VNN' => 'Vietnamese Dong (1978–1985)',
  'CHE' => 'WIR Euro',
  'CHW' => 'WIR Franc',
  'YUM' => 'Yugoslavian New Dinar (1994–2002)',
  'YUR' => 'Yugoslavian Reformed Dinar (1992–1993)',
Nielsen Norman Group
Executive Summary

Updated Dec. 11, 2000 12:01 a.m. ET

In the fall of 2000, Nielsen Norman Group sponsored a field study of WAP users in London. We gave 20 users a WAP phone and asked them to use it for a week and record their impressions in a diary. We also performed traditional usability tests with users at the beginning and end of the field study. We gave half of the users an Ericsson R320s and the other half a Nokia 7110e.

We ran this study in London because of the advanced state of the United Kingdom's mobile-phone market relative to the United States. The U.K.'s WAP...