Online shopping allows consumers to purchase products and services over the Internet. It offers advantages like convenience, better prices, and variety. However, it also has disadvantages such as lack of personal touch, difficulty comparing prices and products, and security issues. Over 2.14 billion people now shop online, representing 27% of the world's population. Common online shopping platforms include Amazon, Flipkart, Myntra, Ajio, Pharmeasy, Nykaa, Snapdeal, and Lenskart.