Alexa is one more in the list of high-end virtual assistants launched officially by Amazon this smart assistant changed the way consumers interact with and operate a variety of devices.
Similar to Microsoft’s Cortana and Apple SIRI google launched its very own Google assistant in the year 2016. Google assistant can be also considered as an upgrade of Google now which and is a voice control, smart assistant.
Cortana is one of the most sophisticated virtual assistant created and designed by Microsoft Corporation.