http://www.emarketer.com/Article.aspx?R=1007912
ExactTarget’s “Subscribers, Fans and Followers” report found Facebook users who “like” brands are even more likely to place importance on showing off their brand choices to friends than brand followers on Twitter or subscribers to opt-in marketing emails. While the desire for discounts and promotions edged out showing company support even among Facebook users, nearly two in five did say they wanted simply to indicate how much they liked a brand by liking it.
