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.
5 Feet 8 Inches. 1  Katherine Beth âKatieâ Nolan was born on 28th January, 1987 in Boston, Massachusetts which makes Katie Nolan age of 29 years old now. Nolan joined Framingham High School in Framingham, Massachusetts in the year 2005 and completed her bachelorâs degree from Hofstra University in 2009 majoring in public relations.