The study was basically developed to examine the impact of ICT on advertisement practice in Nigeria: An evaluation of Globacom Products. Online advertising is a form of promotion that uses the Internet and World Wide Web to deliver marketing messages to attract customers. Critical reviews to related literature were made. Relevant theories were used to gratify the study. Quantitative research design was used in which cross-sectional survey method was adopted while the data collection instrument was questionnaire. 160 questionnaires distributed within GLO Head Office Lagos. Findings showed that advertising plays an important role on changing the consumer behaviour and also provides new patterns for purchasing or using any type of goods and services. It is the most convenient way to reach the consumers. It is safe to conclude that as a result of globalization or technological advancement, the way things is being done in all spheres of human society has been revolutionized in which the practice of advertising is not an exemption. Finally, having examined the findings and responses from the respondents, the following can now be recommended: Company should watch over some sites that may be using their name or related to dupe people online. Government through the United Nations should formulate programmes and policies that will regulate and protect online business in the world.