The study is concerns with the assessment of social media usage among lecturers in Osun State Polytechnic Iree. The world is now being compressed into a single electronic room where information from far and near can be exchanged with a click of mouse or touch of screen. However, social media is one of the internet tools that facilitate effective interaction and immediate feedback in communication. The study is anchored on Technological Determinism Theory, and Social Category Theory and Uses and Gratifications. The study used survey method while questionnaire was used to elicit responses from the 140 respondents who are lecturers of Osun State Polytechnic Iree that were selected using both simple random and purposive sampling technique. The data collected were analysed using frequency and percentage tables method. Findings show that, although, many of the lecturers are using social media with lots of time on Facebook, Whatsapp and Instagram. The busiest activities of the lecturers online are sourcing for information, sharing opinions and chatting with friends while social media is already diminishing face to face interaction as they meet, call and text rather than getting to each other physically. It is recommended that lecturers should also make good use of converged media so that they are not limited to one or few sources of information when there are numerous sources.