Further prescience is in the areas that he predicted would be good areas at attacking essential complexity: 1. Build vs. Buy - I would say that open source has

Further prescience is in the areas that he predicted would be good areas at attacking essential complexity: 1. Build vs. Buy - I would say that open source has generally become the "COTS" solution that Brooks was looking for. 2. Requirements refinement and prototyping - agile development. 3. Incremental development - also agile, as well as different evolutionary architecture approaches 4. Great designers - the establishment of technical career ladders at many companies. Again, none of these things are silver bullets, but they have contributed to significant progress in our industry.