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E-commerce, or electronic commerce, refers to the buying and selling of goods and services over the internet. It encompasses a wide range of online business activities, including: 1. **Online Retail**: Direct sales of products to consumers through online stores (e.g., Amazon, eBay). 2. **B2B Transactions**: Business-to-business sales where companies sell products or services to other businesses.

Ancestors (6)

  1. Applications of cryptography
  2. Cryptography
  3. Applied mathematics
  4. Fields of mathematics
  5. Mathematics
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