Learn popular Internet technologies:

1. Data Science and Artificial Intelligence: With the development of Big Data and Artificial Intelligence, Data Science and Machine Learning have become a popular field. Learning techniques such as data analytics, machine learning, and deep learning can lead to many opportunities in a variety of industries.?

2. Front-end development: With the popularization of mobile Internet and the development of Web applications, front-end development has become a very important technical field. Learn front-end development technologies such as HTML, CSS, JavaScript, etc. to be able to design and develop a wide variety of web pages and web applications.?

3. Back-end Development: With the rise of cloud computing and big data, back-end development is also a very promising technology field. Learn back-end development languages such as Java, Python, PHP, etc. to be able to build high-performance server-side applications.?

4. Embedded Systems and Internet of Things: With the development of the Internet of Things (IoT), embedded systems and IoT technologies have also become a popular field. Learning embedded system development and IoT technology enables you to design and develop a variety of smart devices and systems.?

5. Virtual Reality and Augmented Reality: Virtual Reality and Augmented Reality technologies are developing rapidly, bringing many new opportunities in the fields of gaming, education, and healthcare. Learning about virtual reality and augmented reality enables you to participate in the innovation and development of this field.?

In short, the choice of what technology to study should be based on one's interest and career path. The important thing is to keep learning and keeping up with technology trends, and to keep improving your skills and knowledge.