AI system shut down by Facebook due to language made by Bots that Humans can't understand

Days after Tesla ceo Elon Musk said that the Facebook's co-founder Mark Zuckerberg's understanding of artificial intelligence (AI) was limited. The company has shut down one of its AI systems.

Facebook abandoned an experiment after two artificially intelligent program appeared to be chatting in a strange language only they understood.
The two bots came to create their own changes to english that made it easier for them to work but which remained mysterious to the human that supposedly look after them

These were the negotiations between them:

Bob  :   i can i i everything else...........
Alice:   balls have zero to me to me to me to me                 to me to me to
Bob  :   i i can i i i everything else..........
Alice:   balls have zero to me to me to me to me