Please tell...is this good?

Which filming tool represented one of the biggest advancements in filmmaking? super 8 film format betamax standard cinema verita digital video technology

What does it mean to have a bias (for example your bias of bts)?

Axel is thinking abou replacing the word astounded. which word would best to make the tone of the sentence more negative? a) surprised b) shocked c) astonished d) amazed