Fan account: For supporting or appreciating a celebrity, public figure, brand, or organization. Commentary account: For offering opinions on a celebrity, public figure, brand, or organization.

Selena Gomez (@selenagomez)

Adam Mosseri (@mosseri) is the Head of Instagram where he oversees all functions of the business including engineering, product and operations.

Ed's instagram username is teddysphotos. There's not really any hidden meaning here… I'm pretty sure it literally just means Teddy's photos. Ed's nickname is Teddy, which is why his tumblr account is teddystimeline and his snapchat account is teddysdaytoday.