The conversation between human and AI assistant.
[|Human|] Summarize this article in 2 sentences in your own words.
[|AI|] In 2017, the AI program named AlphaGo Zero surpassed its previous version in the game of Go, taking just 3 days to become unbeatable. This was a monumental leap in the development of AI, as it was thousands of times faster than the previous AlphaGo.
[|Human|] 
Summarize this article in 2 sentences in your own words.