00:00:00 - Start
00:00:01 - Introduction
00:10:17 - E commerce Infrastructure
00:19:16 - E commerce Business models
00:25:17 - E commerce Architecture
00:33:07 - Electronic Data Interchange
00:45:31 - Supply chain management
00:52:22 - E commerce Payment processing
00:59:39 - Chatbots
01:05:12 - CAPTCHA