POP may refer to any of the following: 1. Short for Post Office Protocol, POP or POP mail is one of the most commonly used protocols used to receive e-mail on many e-mail clients. There are two different versions of POP: POP2 and POP3. POP2 was an early standard of POP that was only capable of receiving e-mail and required SMTP to send e-mail.
Zach Herron a 16 year old emerging pop artist / singer songwriter from Dallas, TX. He is 1/5th of Why Don't We. His vocal styling has been compared to Justin Bieber, Shawn Mendez, and Ed Sheeran to name a few.
Mr. Robot centers on a young programmer, Elliot (Rami Malek, 24), who suffers from an antisocial disorder and can only connect to people by hacking them. Christian Slater stars as Mr. Robot, a mysterious anarchist who recruits Elliot into an underground hacker organization intent on bringing down corporate America. The role marks Slater's latest small-screen gig. Last season, he starred on ABC's Kyle Killen drama Mind Games.