Internet surveys are available 24 hours a day, seven days a week. Companies can collect information quickly, and consumers can fill out information at their leisure. But even with this availability, there are certain inherent disadvantages of Internet marketing research. Companies sometimes discount online surveys as a primary source of data collection because of these disadvantages. Businesses may prefer to round out their Internet marketing research program with other methods that could include phone surveys, standard mail surveys and personal interviews. The aim of this article is to present the advantages and disadvantages of market research via the Internet. The material is a review of literature and is supported by the research experience of the author.