A group of business entrepreneurs who worried about their teenage children drinking and driving decided there must be some way to approach this problem proactively. They came up with an idea for a pair of blurry goggles. They believed looking through the goggles would simulate what the world looks like when someone is seriously intoxicated. They developed a crude pair of blurry goggles to show prospective customers. This crude pair of goggles is known as a .A) prototype B) component part C) synergistic model D) product image E) product idea

Google started as one of many internet search engines, amazon started as an online book seller, and ebay began as a site where people could sell used personal items in auctions. these firms have grown to be so large and dominant that they are facing antitrust scrutiny from competition regulators in the us and elsewhere. did these online giants grow by fairly beating competition, or did they use unfair advantages? are there any clouds on the horizon for these firms -- could they face diseconomies of scale or diseconomies of scope as they continue to grow? if so, what factors may limit their continued growth?