Microsoft Cortana is no longer a prominent voice assistant platform, as its development and support have been discontinued.

Voice assistants are designed to respond to spoken queries, providing information, answering questions, and performing tasks based on user requests.

Natural Language Processing (NLP) is the key technology that allows voice assistants to interpret and respond to spoken language, enabling them to engage in natural conversations with users.

Machine Learning algorithms enable voice assistants to learn from data, identify patterns, and improve their performance over time, resulting in more accurate responses and personalized experiences.

Apple Siri is the voice assistant platform developed by Apple and is primarily designed for use with Apple devices, such as iPhones, iPads, and Macs.

Smart Home Integration refers to the ability of voice assistants to connect and control smart home devices, such as lights, thermostats, and door locks, allowing users to manage their home environment using voice commands.

Google Assistant is the voice assistant platform developed by Google and is primarily designed for use with Android devices, as well as other Google products and services.

Personalized Recommendations refer to the ability of voice assistants to analyze user preferences, behavior, and context to provide tailored suggestions and recommendations, such as music, news, or points of interest.

Amazon Alexa is the voice assistant platform developed by Amazon and is primarily designed for use with Amazon devices, such as Echo smart speakers and Fire TV devices.

Multilingual Support refers to the ability of voice assistants to recognize and respond to spoken queries in multiple languages, allowing users to interact with the assistant in their preferred language.

Microsoft Cortana is the voice assistant platform developed by Microsoft and is primarily designed for use with Windows devices, such as PCs, laptops, and tablets.

Web Search refers to the ability of voice assistants to access and retrieve information from the internet, such as news, weather, sports scores, and general knowledge, in response to user queries.

Samsung Bixby is the voice assistant platform developed by Samsung and is primarily designed for use with Samsung devices, such as smartphones, smartwatches, and smart TVs.

Conversational AI refers to the ability of voice assistants to engage in natural and human-like conversations with users, understanding the context and intent behind spoken queries.

Huawei Celia is the voice assistant platform developed by Huawei and is primarily designed for use with Huawei devices, such as smartphones, tablets, and smartwatches.