Corrections to the guides
The most useful email you can send us. Name the page and what is inaccurate, ideally with a source. Substantive corrections get noted on the page rather than quietly edited.
Instructors and black belts
If you teach and something here clashes with how promotion actually works at real academies, we want to know. This site should read true to the people who hand out the belts.
App support
Anything about the RollPath app once it ships: bugs, billing, feature requests. Include your device and what you were doing when it happened.
Everything else
Partnerships, press, or something that does not fit a category. Short emails get fast answers.