What is online shopping and advantages of it?

Online shopping is  a boom in present electronics Yug. It  is a great boom and facilitater for the people who are having very busy life style due to professional as well as social and other work  related engagement.It is advantageous for such individuals to purchase items from online shopping website by making payment through Credit/debit card or through net banking  without wasting their working time or without absenting themselves from their other engagements.