Azure Applied AI Services public preview updates for Build 2021

To help developers build AI solutions faster, we are announcing a new category of services called [Azure Applied AI Services](https://aka.ms/AppliedAITC). These services combine Azure Cognitive Services with task-specific AI and business logic, so developers can accelerate building AI solutions for common scenarios, such as document processing, customer service and extracting insights from content. Applied AI services include Azure Bot Service, Azure Cognitive Search, Azure Form Recognizer, Azure Metrics Advisor and Azure Immersive Reader, which many developers already know and love. Azure Video Analyzer is being added to Azure Applied AI Services. Azure Video Analyzer, now in public preview, brings Live Video Analytics and Video Indexer together so that developers can quickly build AI-powered video analytics solutions. [Learn more](https://aka.ms/VideoScalerACOMProdPage). * Azure Machine Learning * Azure Cognitive Services * Services * [ Azure Cognitive Services](https://azure.microsoft.com/en-gb/products/cognitive-services/) * [ Azure Machine Learning](https://azure.microsoft.com/en-gb/products/machine-learning/)