Sassy becomes the fourth Alexa+ personality type, joining Brief, Sweet, and Chill. It's unavailable when Amazon Kids is enabled, and adults need to go through a security check.

A wisenheimer is a person who acts overly smart or makes clever remarks to show off their intelligence. This term, with German roots, describes someone who constantly tries to appear wiser than others ...

“I remember hearing her say stuff and figuring out that she didn't mean what she said,” says Walker, who leads the Natural Language and Dialogue Systems Lab at UC Santa Cruz. “She used to say ...