Serving as a real-time feed into the national zeitgeist, Twitter has become an invaluable tool for marketers to gauge -- as even mimic -- consumer sentiment. Samsung, for example, incorporated
consumer comments on Twitter into its latest TV ad, which mocks Apple's new iPhone, and, according to The Wall Street Journal, “is striking a chord with consumers.” According to Samsung,
specific lines were based on "hundreds of thousands" of Tweets complaining or poking fun of the iPhone 5.