with explosive growth, change is inevitable.According to many industry observers, the face of ebay slowly began to change based on two dynamics.the first was expansion.ebay's list of categories and subcategories grew into the hundreds. the e-commerce giant also added international sites for different countries.and it began to launch sub-sites ( such as ebay motors) and to acquire other dot.coms relevant to its businees. such acquisition ultimately included half.com,paypal,stubhub,shopping.com,and skype