FILE PHOTO: A man is silhouetted against a video screen with an Facebook logo as he poses with an Samsung S4 smartphone in this photo illustration taken in the central Bosnian town of Zenica

FILE PHOTO: A man is silhouetted against a video screen with an Facebook logo as he poses with an Samsung S4 smartphone in this photo illustration August 14, 2013. REUTERS/Dado Ruvic/File Photo