◆ SpookStack

UNCLASSIFIED 14 POPULAR SOCIAL MEDIA WEBSITES (continued) tags drive the search function Linked in It is highly recommended that tag fields of all videos be populated with useful keywording. YouTube has had 100 million U.S.viewers (U) Linkedin is the world's largest pro- and over a billion videos viewed fessional network on the internet since January 2009. with over 150 million members in over 200 countries PIEASE ROB ME C PLEASE ROB ME (U) When Twitter messages are sent through the location-based networking site Foursquare and aggregated, the users' current whereabouts are shared with the general public. This allows po- tential robbers to track when their victims are not at home. UNCLASSIFIED