The document provides a summary of the past week's major tech news stories, including: 1) Google's AI assistant Duplex can have natural-sounding conversations to make reservations, and the latest episode of the Last Week in Tech podcast discusses talking to Duplex. 2) Nerf has released new laser tag blasters that are fun to play with, even in the heat. 3) Niantic is opening its AR platform to allow other developers to incorporate augmented reality elements like digital creatures into their games, as seen in Pokémon Go. 4) Segway introduced gyro-powered skates that operate independently but look difficult to use without injury.