What sort of silicon brain do you need for artificial intelligence?

Using CPUs, GPUs, FGPAs and ASICS to make sense of AI

The Raspberry Pi is one of the most exciting developments in hobbyist computing today. Across the world, people are using it to automate beer making, open up the world of robotics and revolutionise STEM education in a world overrun by film students. These are all laudable pursuits. Meanwhile, what is Microsoft doing with it? Creating squirrel-hunting water robots."