An example of C2C would be the classifieds section of a newspaper, or an auction. In both of these cases, a customer, not a business, sells goods or services to another customer. The goal of a C2C is to enable this relationship, helping buyers and sellers locate each other. Customers can benefit from the competition for products and easily find products that may otherwise be difficult to locate.
Expression: Bien sÃ»r. Pronunciation: [byeh(n) soor] Meaning: of course. Literal translation: very sure. Register: normal. Notes: The French expression bien sÃ»r means of course and is most often used as a standalone response to a question or statement.
The word tuyau is used in French nowadays to designate the cables (fibre or other) that transport data. Maitres des tuyaux is a common enough ready made expression en French to designate those who master those means of communication (Google, Facebook ou Amazon, named in the quote). You are misreading the text you refer to.