COLLABORATIVE HIERARCHICAL DOCUMENT DEVELOPMENT AND REVIEW SYSTEM

A computer software product for allowing simultaneous multi-level collaboration, including in real time between an author and a group of reviewers invited by the author to comment on a document stored in a computer file. The computer software enables each reviewer to view the document and make changes thereto which are stored in a secondary data file without modifying the contents of the original document. The author receives and views the secondary data files from the reviewers and selectively incorporates the changes into the document. Each reviewer may invite an unlimited number of sub-reviewers to review the document, the comments of each sub-reviewer similarly being stored in a secondary data file wherein only the author may edit the document directly.