Contact
ProblemSolution is in private beta, and no public support address has been set up yet.
If you already have access
Use the idea button in the bottom corner of the workspace. It sends feedback straight to the people building the product, and you can follow the status of everything you send under Settings, in My feedback.
If you do not have access yet
Contact details will be added here before public launch. There is deliberately no public contact form at this stage, because an unauthenticated form cannot be protected against abuse in a way we would be comfortable with yet.