Recently the Indian Prime Minister Mr. Narendra Modi has addressed about 800 students of different schools of the countries to wish them a surprise "Happy teacher's day". Although it looks impossible to greet this large amount of students in one go. However, with the advent of technology and advancement in the modes of communication, communicating with such a large number of people is now possible and addressing the people has became a lot more practical and faster than ever before. Today, on the teacher's day of year 2015, the 800 lucky students got a chance to ask questions to none other than PM Modi. The event was so graceful that everyone who has attended this video conference will remember it for his lifetime.
Now, let's talk a bit about the technique that made this event possible: VIDEO CONFRENCING. The video conferencing has moved a long way since its evolution. The changes in the technique now let us to have conversations in high definition, making it easier to understand. Moreover, the fact that the bandwidth been increased by many folds also makes the transmission of the signal faster and more reliable than ever before. Video conferencing can be considered as an advanced way of communication and has somewhat similar phenomenon through which the voice is transferred through the telephone. The difference between transferring voice and image/video lies in the bandwidth they are being transferred from a place to another. Before the video conferencing, the business houses typically use the mails and phone calls to communicate with the clients.