Educational technology is a subject that studies the combination of education and technology, aiming at exploring and applying advanced technical means to improve the educational process and improve the educational effect. The emergence of educational technology is to adapt to the development of information age and educational modernization. Although educational technology is facing a series of challenges with the continuous progress and development of science and technology, it will not disappear, but will continue to evolve and develop.

First of all, as a discipline, the essence of educational technology is to explore and apply technical means to improve education and improve educational effect. With the development of science and technology, new technical means and methods are constantly emerging, such as artificial intelligence, virtual reality, augmented reality and so on. These technologies have the potential to revolutionize education. Therefore, educational technology will continue to have broad development prospects. It will not disappear, but will be constantly updated and developed with the progress of science and technology.

Secondly, modern education is increasingly dependent on technology. The arrival of the information age has changed the face of education, and education has changed from traditional classroom teaching to diversified teaching methods combining online and offline. In this process, the role of educational technology is becoming more and more significant. It can not only provide more teaching resources and teaching tools, but also meet the needs of students' personalized learning. Therefore, the importance and application scope of educational technology will continue to expand.

Thirdly, educational technology has unique advantages in solving educational problems. In traditional education, it is difficult to realize personalized teaching because of the limited resources of teachers and students. Educational technology can provide customized learning content and learning progress for each student through intelligent and personalized teaching methods, so as to better meet the learning needs of students. This personalized teaching is of great significance for improving the quality of education and learning effect.

Finally, the research and application of educational technology has penetrated into all aspects of education. From teaching design to teaching evaluation, from online learning to distance education, the influence of educational technology has penetrated into all aspects of education. Therefore, the development and application of educational technology has become an important part of today's education field and will not disappear easily.

To sum up, educational technology as a discipline, its development and application are gradually adapting to and promoting the modernization of education. With the progress of science and technology and the development of education, educational technology will continue to play an important role and continue to evolve and develop, providing continuous support and motivation for the improvement and improvement of education.