AI has gained significant popularity after 2019 due to several factors:

1. Advances in Technology: The field of AI has witnessed remarkable advancements in technologies such as machine learning, deep learning, natural language processing, and computer vision. These advancements have led to breakthroughs in various AI applications, making AI more powerful and capable than ever before.

2. Big Data Availability: The availability of massive amounts of data has played a crucial role in the rise of AI. With the proliferation of digital devices and the internet, vast amounts of data are generated daily. AI algorithms thrive on data, and the availability of big data has fueled the development of more accurate and sophisticated AI models.

3. Computing Power: The increase in computing power, particularly with the emergence of high-performance GPUs (graphics processing units), has greatly accelerated AI research and applications. GPUs are well-suited for handling the computational demands of AI algorithms, enabling faster and more efficient training and inference processes.

4. Industry Adoption: Various industries, including healthcare, finance, retail, manufacturing, and transportation, have embraced AI to improve their operations, enhance decision-making processes, and deliver personalized experiences to customers. The real-world applications and success stories of AI have further fueled its popularity.

5. Enhanced User Experience: AI has significantly improved user experiences through voice assistants, recommendation systems, personalized marketing, and virtual assistants. These AI-powered solutions have become an integral part of everyday life, making people more aware of AI’s capabilities and potential benefits.

6. Investment and Research Focus: Governments, corporations, and research institutions worldwide have recognized the transformative potential of AI and have increased their investments in AI research and development. This focus on AI has accelerated the pace of innovation and attracted talented researchers and professionals to the field.

7. Media Attention and Public Interest: The media has played a vital role in raising awareness about AI by covering its applications, breakthroughs, and impact on society. This increased media attention, coupled with the public’s curiosity and interest, has contributed to the popularity and widespread discussion of AI.

8. Ethical and Social Implications: As AI advances, it raises important ethical and social implications. Discussions about AI’s impact on jobs, privacy, bias, and ethical decision-making have garnered attention and sparked debates, making AI a topic of interest and concern for a wide range of individuals.

Overall, the convergence of technological advancements, data availability, industry adoption, and public interest has propelled AI into the mainstream, making it one of the most popular and transformative technologies of recent times.