The paper investigates use of Internet in Slovenian micro enterprises, using data derived from 134 businesses. Data for the main study was collected via structured interviews with owners or top managers of micro enterprises between October and December 2009. The study showed that formal education of the manager and/or owner, his or her age, computer and IS knowledge and skills, size of the business (number of employees), the investments in hardware and software and level of Internet use (eBusiness, eBanking…) are positively associated with the micro enterprise success. Based on our survey and on the review of literature, recommendations have been given how to be more effective and efficient in introduction of eOpportunities to micro enterprises.