Trends in Web 2.0 technologies and various networking modalities are briefly reviewed. Furthermore, advantages and barriers in the use of said technologies are discussed. Implementation of social media as a learning tool can be advantageous, however, it must supplement learning, not replace a structured environment. The educator should still remain present in the learning environment. And, he/she should provide appropriate support and training, as well as model, respective online tools to ensure efficacy. 6/10