With the advancement of technology, everyday we are seeing more applications and interfaces for brainwaves. The toys, games, iPod and Android apps are being developed. Using your brainwaves, you can concentrate and levitate objects, or control game characters. Gaming, using your thoughts are being real. You can also train these brainwave interfaces anduse them for other applications. However, what are the possibilities now ? What is the boundary between sci-fi and reality using brainwaves? In this talk, I will address the existing technologies, their limitations, and explain how they work.