Technological breakthrough first seen on Jeopardy in 2011 Crossword Clue

 The technological breakthrough first seen on Jeopardy in 2011 is IBM Watson.

IBM Watson is a question-answering computer system capable of answering questions posed in natural language. It was developed by IBM's DeepQA project and named after IBM's founder, Thomas J. Watson.

In 2011, IBM Watson competed against two of the best Jeopardy! players in history, Ken Jennings and Brad Rutter. Watson won the three-day competition, defeating Jennings and Rutter by a combined total of $77,000.

Watson's victory was a major breakthrough for artificial intelligence, demonstrating that machines could now compete with humans in complex tasks that require natural language processing. Watson's technology has since been used in a variety of applications, including healthcare, customer service, and education.

The crossword clue "Technological breakthrough first seen on Jeopardy in 2011" is most likely referring to IBM Watson. The clue is incomplete, but the answer can be inferred from the context. The clue mentions Jeopardy, which is a trivia game show that requires contestants to answer questions in natural language. This suggests that the technological breakthrough in question is a system that can answer questions in natural language. The only system that fits this description is IBM Watson.