3 ms·Maybe they also cut and edit the trailer? I don't know how they work internally.by dewey 8y agoMaybe they also cut and edit the trailer? I don't know how they work internally.gruez 8y agoquick search says that trailers are either made by specialized companies, or by in-house departments.dewey 8y agoI guess that's true in 100% the cases then and there's no room for a human mistake left in this case ;)