Which of the following is not true about the evolution of AI technologies?

There have been many fundamental conceptual breakthroughs in AI during the last decade.

Natural language speech recognition errors have dropped from $15$ percent to $5$ percent.

Advances in image and speech recognition have made intelligent personal assistants like Siri and Alexa possible.

Image recognition programs have gone from $25$ percent error rates down to less than $3$ percent.

The development of Big Data databases is a major force driving the rapid evolution of AI$.$