The 21st century has seen a number of important developments in the digital world, as technology continues to advance and change the way we live and work.

Some of the key expected changes in the digital world in the 21st century include:
- Increased use of artificial intelligence (AI) and machine learning (ML): In the 21st century, it is expected that AI and ML will become increasingly prevalent in the digital world. This will likely involve a greater emphasis on the development of policies and regulations to support the use of AI and ML, as well as the promotion of best practices for the use of AI and ML.
- Increased use of the Internet of Things (IoT): In the 21st century, it is expected that the IoT will become increasingly prevalent in the digital world. This will likely involve a greater emphasis on the development of policies and regulations to support the use of the IoT, as well as the promotion of best practices for the use of the IoT.
- Increased use of blockchain technology: In the 21st century, it is expected that blockchain technology will become increasingly prevalent in the digital world. This will likely involve a greater emphasis on the development of policies and regulations to support the use of blockchain technology, as well as the promotion of best practices for the use of blockchain technology.
- Increased use of 5G technology: In the 21st century, it is expected that 5G technology will become increasingly prevalent in the digital world. This will likely involve a greater emphasis on the development of policies and regulations to support the use of 5G technology, as well as the promotion of best practices for the use of 5G technology.
- Increased use of cloud computing: In the 21st century, it is expected that cloud computing will become increasingly prevalent in the digital world. This will likely involve a greater emphasis on the development of policies and regulations to support the use of cloud computing, as well as the promotion of best practices for the use of cloud computing.

- Increased use of virtual and augmented reality: In the 21st century, it is expected that virtual and augmented reality will become increasingly prevalent in the digital world. This will likely involve a greater emphasis on the development of policies and regulations to support the use of virtual and augmented reality, as well as the promotion of best practices for the use of virtual and augmented reality.
- Increased use of data analytics: In the 21st century, it is expected that data analytics will become increasingly prevalent in the digital world. This will likely involve a greater emphasis on the development of policies and regulations to support the use of data analytics, as well as the promotion of best practices for the use of data analytics.
- Increased use of digital payments: In the 21st century, it is expected that digital payments will become increasingly prevalent in the digital world. This will likely involve a greater emphasis on the development of policies and regulations to support the use of digital payments, as well as the promotion of best practices for the use of digital payments.

It’s important to note that these are just a few examples of the developments that are expected to be important in the digital world in the 21st century. Other developments may also emerge as technology continues to evolve. It’s also important to note that the priorities and focus of the digital world may change over time, depending on the global political and economic situation.
In conclusion, the 21st century is expected to see a number of important developments in the digital world. These changes are aimed at providing individuals and businesses with new ways to use technology to improve their lives and work, and addressing global issues such as the need for increased security and privacy. The focus of the digital world will continue to evolve in the 21st century