Conversation so far:
How did the film, Rosemary's Baby do?
The film, Rosemary's Baby earned almost universal acclaim from film critics and won numerous nominations and awards.
Did the film, Rosemary's Baby do well at the box office?
The film, Rosemary's Baby made $33.4 million at the box office.
How did critics like the film, Rosemary's Baby?
Today, the film, Rosemary's Baby is widely regarded as a classic; it has an approval rating of 97% on review aggregator website Rotten Tomatoes with an average rating of 8.83/10.

Question: Why is it so popular?
Self-contained rewrite: Why is the film, Rosemary's Baby so popular?