Measuring the Value of a 'Like'

摘要

More than 600 million people use Facebook to keep in touch with old friends, get to know new ones, share pictures, network-and to keep up with their favorite brands and products. Creating and maintaining a Facebook presence has become a standard practice for companies of all sizes. Customers can "Like" the brands that they, well, like. Previously referred to as "becoming a fan," liking a page lets customers receive updates and promotions from a company. But what value truly lies in these likes? How much is a Facebook fan really worth?