I've been researching different ways authors promote their books and keep seeing discussions about video trailers, but I'm not sure how effective they really are compared to other marketing methods. Some people say they help grab attention quickly, while others think they're only useful for certain genres like fiction or fantasy. For anyone who has tried a book trailer service (https://newyorkbookpublishers.org/book-video-trailer), what was your experience, and do you think it actually improves book visibility or reader interest in a meaningful way?