135) Explain the common problems that international marketing researchers encounter. 136) What is a company’s internal data? Give two examples of internal data. 137) Explain the advantages of an intranet to a company. 138) Compare and contrast syndicated research with custom research. 139) Economic and demographic data compiled by the U.S. Census Bureau are available at little or no cost. In the terms of a marketing information system, what type of data is this? 140) What is the purpose of data mining?