Continuing with Raja, from ProXL Consulting, and his seven reasons for using agile:
Video 3: Reason 1. Ambiguous Requirements
Video 4: Reason 2. Requirements Changes are Inevitable
Watts Humphrey's Requirements Uncertainty Principle - "For a new software system, the requirements will not be completely known until after the users have used it."
Video 5: Reason 3. Big Upfront Planning is not practical
Video 6: Reason 4. Reviewing Working Software is Better Than Reviewing Documents
Video 7: Reason 5. Iterative and Incremental Developoment is better than Sequential Waterfall Development
Video 8: Reasons 6 and 7. Delivery through small baby steps is always better than a single huge delivery at project's end; and, Frequesnt reflection by the project team.
