Amazon and Microsoft announced that Alexa, Amazon’s AI personal assistant, will soon be able to communicate with Cortana, the personal assistant for Windows 10, and vice versa. Users of Amazon’s Alexa-controlled Echo speaker will be able to turn on their device and say, "Alexa, open Cortana," or turn to their Windows 10 device and say, "Cortana, open Alexa."

US tech giants Microsoft have revealed that its virtual assistant will help you remember and ensure you never forget to do anything you promised you would do!  Microsoft's virtual assistant Cortana can now hold people to their promises, well in an e-mail capacity that is!