Siri is a virtual assistant just like Google Assistant but seems a little different. It is part of Apple Inc.'s operating systems. It uses voice queries and a natural-language user interface to answer questions, make recommendations, and perform actions by delegating requests to a set of Internet services. A great thing about it is that it's software adapts to users' individual language usages, searches, and preferences, with continuing use.

Siri was officially launched in the late part of the year 2011 (October 12),it operating system are iOS 5 ,macOS , tvOS (all versions), watchOS (all versions), audioOS (all Versions) .It supports slot of languages that is why it is very easy to use, some people even use it when they are weak or busy to reduce the stress of typing, or even touching the phone at all.
Siri is originally developed by the SRI International Artificial Intelligence Center. Its speech recognition engine was provided by Nuance Communications, Siri uses advanced machine learning technologies to perform any operation. Its original American, British, and Australian voice actors recorded their respective voices 2005, unaware of the recordings' eventual usage in Siri.
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