This document discusses how e-commerce has impacted four major companies: 1) Amazon has been able to serve a global customer base through multilingual support and a simple, efficient website layout. 2) Dell can sell directly to consumers without middlemen, making purchases easier and cheaper for buyers through direct marketing and instant support online. 3) Wacom allows for instant purchases of hardware and software downloads, eliminating the need for stores through simple, efficient online help. 4) Google relies on simple, effective advertising on its search engine and website to be a major profit source, becoming a trusted name for free, high-quality software and search.