What is the next Big thing?

As AI is taking over what do you guys think would be or can be the next big thing in Tech world?

Context: so I am a b.tech student from a 3rd tier college and I just watched "the social network" which got me thinking what could be the next Big thing in today's world? There are less and less jobs everyday and I couldn't help but wonder if students like me are even gonna get any. Today all I hear about is AI and how everyone e and every company wants someone who knows how to develop AI,I mean we are just freshers who hardly had one subject related to AI and ML in our curriculum. I don't know how they expect us to be able to make something like chatgpt or any other LLM which requires a lot of resources, manpower and experience. Colleges hardly teach us anything about real world development we have to learn whatever we can on our own not to mention we are also expected to mantain a 75 percent attendance and around 8 GPA. Students like me don't have access to such resources. Another fun fact I had a placement drive for some company for the post of a web development intern and they asked DSA questions in the first round along with everything related to web development. I am just so sick of all this I don't have any idea what to do or what they want me to do like should I do DSA with Java or C++ along with full stack technologies I mean what kind of logic is that. this all just makes me wonder what is it that I can make that can be the next Big thing in today's world.

P.S srry for yapping so much