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All Echo documents and materials on this website, and the term ‘Echo,’ are original works and the intellectual property of Elizabeth Baron. ‘Echo™’ is claimed as a common law trademark owned exclusively by Elizabeth Baron. This website and its contents are protected by common law copyright, also owned exclusively by Elizabeth Baron.

Elizabeth Baron supports the public good and encourages educational sharing of Echo materials. Users may cite or reference Echo documents only with proper attribution and acknowledgment of ownership. No person or organization may use the name ‘Echo’ or any Echo materials to suggest endorsement, affiliation, or partnership with Elizabeth Baron without express written consent.

Thank you for respecting the integrity and intent of this work.