AI Assistants Alexa and Cortana are Now Close Friends and Can Easily Talk with One Another – Artificial intelligence (AI) voice assistants Amazon Alexa (the voice-controlled AI assistant that powers the Amazon Echo smart home speaker) and Microsoft Cortana (the voice-controlled AI assistant that powers the Microsoft Windows operating system) have joined forces to offer users of cloud-connected smart devices access to the combined skills from both assistants. For example, a Windows user can simply say, "Cortana, open Alexa" to access Alexa's core competencies in online commerce and smart-home cloud services, such as Amazon.com, smart thermostats, door locks, window blinds, light bulbs, and refrigerators. Similarly, an Echo user can simply say, "Alexa, open Cortana" to access Cortana's core competencies in productivity apps and professional cloud services, such as Excel, Word, Outlook, and LinkedIn.