The basic value proposition of community providers is:
A) they offer a fast, convenient one-stop site where users can focus on their most important concerns and interests. \n B) they offer consumers valuable, convenient, time-saving, and low cost alternatives to traditional service providers. \n C) they create a digital electronic environment for buyers and sellers to meet, agree on a price, and transact. \n D) they increase customers' productivity by helping them get things done faster and more cheaply.