Yes, there have been successful developments in artificial intelligence (AI). Companies like Google, Amazon, and Tesla are at the forefront, creating AI systems that can drive cars, answer questions, and make recommendations. However, it's important to note that while these are indeed successful, they are narrow AI systems, meaning they are designed for specific tasks. We're yet to see the development of general AI that can mimic human intelligence in its entirety. Still, the progress we've witnessed is impressive and points to a future where AI could play an even greater role in our everyday lives.