Amazon's Alexa is Creepily Laughing and It's Scary as Hell Users have complained to Amazon about the unusual behavior of its trademark voice assistant. Amazon said the odd behavior is the result of Alexa mistakenly hearing "Alexa, laugh." The e-commerce giant has now disabled the command and replaced it with "Alexa, can you laugh?", if you want to get a reaction. Amazon Amazon's Echo and Echo Dot, which are powered by Alexa, have long been the company's best-selling devices.