1. Original Full HD (Minimum of 1080p) quality audio, video, or written course materials.
2. Absolutely no watermarks, showing, mentions or advertisements of other courses, websites of other online course platforms in any of the course materials.
3. Lectures presented by a native English speaker or anyone with a neutral accent.
4. Exhibit high quality production values, in terms of teaching method, up-to-date course materials and knowledge of the subject.
5. The length of the course must not exceed 190 lessons.