While Netflix's subscriber base looks set to expand, changes at the United States Postal Service in regards with higher fees and elimination Saturday mail delivery could deliver a serious blow to the fine tuned Netflix's business model.

Netflix is in many ways the epitome of the 21st century company: It's based in Silicon Valley, it sells its services exclusively online, and it employs a hip bit of Web-speak in its name. But even as it boasts many of the trappings of a New Economy juggernaut, Netflix is still almost entirely reliant on that most 19th century of institutions: the United States Postal Service. Indeed, Netflix is the Postal Service’s biggest corporate customer. Read more