Online teaching has globally received tremendous response, since it is technology driven and easy to use, and gain knowledge across the globe without facing any geographical boundaries. It is also known as Virtual teaching or Virtual learning through technology. These kind of Virtual learning are supplied by Knowledge Providers through different mode like using computers, Tablet PC, Educational CD’s, internet etc. Online teaching is also known as Computer Based training or Web base training.

There are various kind of benefits through e-learning from a Knowledge provider and Knowledge seeker perspective. Knowledge provider can teach by investing very less amount of money and start his/her own knowledge business or virtual classrooms. There is no infrastructure costs involved like whiteboard, benches, table, chairs etc. Since it is web based learning a knowledge provider needs a good internet connection with good speed, a laptop/PC and Audio/Video facility. Thus with minimal requirements a knowledge provider can start teaching online and knowledge seekers across the globe can acquire expertise knowledge without having to worry about travelling anywhere.

The recent trend setter in E-learning is screen casting. It allows direct video streaming by a user from their browser and viewers can watch the video in LIVE Streaming mode. It allows both knowledge providers and knowledge seekers to experience interact live whilst exchanging their individual thoughts, viewpoints and knowledge based on the topic they are discussing. It has the ability to record the session so that a knowledge seeker can watch the video again if need be and thus having an option not to miss out anything in case of any problem during live session being conducted.

Knowledge management and e-learning is also related to reusability of the topics being taught online. People like retired personnel, military trainers and members, handicapped individual can sit back home, gain and share knowledge though online education and get Degree certificates enriching their knowledge base and getting educated in their choice of education field. Thus online teaching has been exceptional tool and a bliss to knowledge seekers around the world without having to worry about various issues like geographical boundaries and avaiblilty of expertise guidance and knowledge.