Visible crew/equipment: When Mia asks her mom about the toughest hottest rocker chick, just as her mom says,"Oh, you're going as a rocker chick," and then "Bunny rabbit, what's up?" the reflection of the moving boom mic is visible on the glass cabinet at the left side of the screen.
Factual error: In a classroom scene, Mia takes her phone out and checks Instagram. It can be seen that she is on the network "Koodo" - a Canadian mobile operator. The movie takes place in Portland, but is filmed in Vancouver. (01:00:10)