Not all machine learning and AI projects panned out in 2016

There was no shortage of news about machine learning and artificial intelligence in 2016. But while some of the stories showed how far the technology has come, others showed how far it still has to go. Google's AlphaGo game-playing AI algorithm checked in on the positive side. It was able to beat the world's best players of the game Go, which is often compared to chess, but is in fact exponentially more complicated due to the large number of possible moves and the strategies that develop from managing so many potential moves. Then, there was Microsoft's Tay Twitter chatbot.