Social engineering is the act of manipulating people into performing actions or divulging confidential information. While similar to a confidence trick or simple fraud, the term typically applies to trickery or deception for the purpose of information gathering, fraud, or computer system access; in most cases the attacker never comes face-to-face with the victim.
In this video, Zero Cool convinces the security gaurd to give him information pertaining to the ports on his modem. A big No! No! Enjoy!!!