You means the person, or legal entity exercising permissions granted by this license. Provider means a person (or legal entity) using permissions granted by this license to share the material. Permissions are revoked permanently upon breach of this license. Subject to the terms of this license, any person (or legal entity) is hereby granted otherwise irrevocable royalty-free permission to do anything with material provided under this license. This license is only valid during the years 2020, and 2021.