Computer Science
Computer Architecture: High performance processor and computer architecture design.
Computer Networking: Network architectures, security, communication protocols, etc.
Virtual Reality & Virtual Environment: Physics Engine, VRML, Morphing, X3D, Java3D, Ogre3D, and VR applications.
Server-side Programming & Webpage Design: ASP, JSP, JavaScript, XML, DOM, DHTML.
Computer game design: Interface design and multi-modal interactions with user

Others
Photography: Snapshot, natural scenary, animal portrait, etc
Outdoor Activities: Golf, Basketball, swimming, hiking, ping-pong, badminton, BBQ, etc.
Playing with pets: Chinchilla, rabbit, cat, dog.
Watching movies: Comedy, drama, thriller, suspense, horror, romance, science fiction, fantasy, action, adventure, etc.
Listening music: Classical, Pop, Dance, Rock, Vocal, Classic.
Psychology: Empathy, Enneagram, Eye-movements, etc
Learning Japanese: English, Japanese.