With the advancement of technology, for some time, film lovers have been able to enjoy movies on the big screen featuring imaginary worlds or scenes difficult to direct in the real world. Jaegal Seung, supervisor of Korea-based visual effect company Dexter Studios, and the company's producer, Ha Seung-woo, said it is obvious that more and more visual effects - also called VFX - will be widely used in movies and video media moving forward.