Their use was incredibly rare. It was common to find advice columns telling you that you don't need them. https://blogs.msdn.microsoft.com/rickandy/2009/11/14/

Their use was incredibly rare. It was common to find advice columns telling you that you don't need them. https://blogs.msdn.microsoft.com/rickandy/2009/11/14/should-my-database-calls-be-asynchronous/ https://blogs.msdn.microsoft.com/rickandy/2009/11/14/should-...