The chat bot had been sidelined after making racist comments. — -- Microsoft's millennial chat bot "Tay" made a brief reappearance on Twitter this morning but still didn't make a stellar ...

Not unlike children, robots only know what they're taught. So what happens when a chatbot designed to learn through conversation goes on Twitter? It becomes a little bit of a racist troll, of course.

REDMOND, Wash. — Just a day after Microsoft's new artificial intelligence, Tay, launched on several social platforms, it was corrupted by the Internet. If you haven't heard of Tay, it's a machine ...