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In the opening keynote titled "FIXME" at RailsConf 2018, David Heinemeier Hansson reflects on his two-decade journey in the software development industry, particularly focusing on the evolution of technology and its implications for developers. He discusses the enduring nature of certain core technologies, such as relational databases and Ruby, while highlighting significant shifts in roles and practices within the field.

Key points include:  
- **Evolution of Roles**: Hansson notes a decline in the reliance on Database Administrators (DBAs) due to advances in hardware and software, allowing developers to focus on application delivery without needing specialized roles to manage databases.  
- **Technological Advancements**: Changes in technology (like the adoption of SSDs) have increased performance and reduced complexity, enabling applications to function more efficiently without extensive database management.  
- **Conceptual Compression**: He emphasizes the importance of conceptual compression—simplifying complex concepts so developers can focus on building applications rather than understanding intricate details such as SQL. This compression allows for greater accessibility to technology and lowers barriers of entry for new developers.  
- **Historical Context and Learning**: Hansson encourages using historical insights to propel the industry forward, noting the risks of devolving back into complexity without understanding past successes.  
- **Leaky Abstractions**: He advocates for embracing 'leaky abstractions' as a pathway to create more robust frameworks. This approach allows developers to interact with technology without needing to manage every underlying detail.  
- **Changing Landscape**: Hansson reflects on the shifts in who can launch applications today, noting the importance of inviting more diverse voices into technology by lowering barriers and expanding access.  
- **Final Call to Action**: The keynote concludes with a call for developers to harness their collective power responsibly, striving to build software that serves the greater good and broadens opportunities for all, rather than concentrating wealth and knowledge within a select few.

Hansson's narrative serves as both a retrospective and a guide for future progress, urging the industry to continue evolving while safeguarding the strides made in accessibility and ease of entry into the field of software development.

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