Biggest Internet companies are in advertising or catalog merchant business that started in late 90&#x27;s or early 2000&#x27;s. American Internet startups in these areas had immediate access to markets of 300 million people.<p>Homegrown American, Chinese or Japanese Internet company can have hundreds of millions  in revenue before it even starts to think about localization and adjusting to other countries, cultures, languages, payment system and advertising biz.<p>Network effect rules in the Internet business and US based business had huge upper leg in this regard in early 2000s.