My answer on Quora
It helps you find where your audience are and share the sort of content that appeals to them. Its an excellent opportunity to engage with them and spread the word about your film production company far and wide.
Also at times seek ideas from your audience and do some co-production with them, make them own the content. You never know with so many fans and exciting content it could always go Viral.
Also it helps to engage with the influencers in your field, access them and you will get their attention if u follow the engagement rules and not hard sell