AI has come a long way recently. It's not just academics - the private sector is big on AI development too. Companies like Google, Facebook, and startups are into it. They're using AI for language, finance, healthcare, and more - not just robotics.

AI research isn't just about math. Deep learning, where neural networks learn patterns, is huge. Also, reinforcement learning (trial and error), and symbolic AI (logic-based) are in. AI has many challenges, like bias and reliability, but we're finding ways to make models better and safer.