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.
Zach Herron Bio. All about American singer and Instagram personality including his age, birthday, girlfriends, net worth, and some fun facts. Zach Herron is on a roll! His transition from an internet sensation to an up-and-coming singer-songwriter has been nothing short of phenomenal. The youngster from Texas, who has close to 700k followers on Instagram (and is an active presence across all social platforms) released two singles in 2016 and topped it off with the launch of his boy band, 'Why Don't We'.