सोशल मीडिया प्रभावितों पर साइमन हॉक

In this web exclusive, correspondent Alina Cho talks with Simon Huck, of the public relations firm Command PR, about the importance of internet celebrities in marketing and building brand awareness. Stars on platforms such as Twitter, Instagram and Facebook have become, in the eyes of their millions of followers, arbiters of taste with more impact than a prime time TV commercial.