日本語でおｋ AI スピーカーを作ってみた1. The document discusses Amazon's artificial intelligence services including Amazon Rekognition, Amazon Polly, and Amazon Lex. 2. It provides an overview of how Alexa works using automatic speech recognition to understand voice commands and natural language understanding to carry out requests. 3. Tips are provided for using Alexa including examples of voice commands to play music or get weather u
