Here are all the products Amazon announced at its hardware event

Amazon hosted its annual hardware event on Sept. 25, where the company announced the introduction of a slew of new products. Dave Limp, senior vice president of devices, opened up the event with a talk on privacy before jumping into why everyone was really there. You can now say “Alexa, tell me what you heard,” and the smart assistant will read you back your last voice command. Coming later, you’ll be able to ask, “Alexa, why did you do that?” for cases in which Alexa does something yo...