Amazon Web Service - Your 25th Hour Mate course focuses on AWS concepts at glance.It encourages \'need to know\' OR \'On the GO\'  information about AWS.It is useful tutorial for your journey toward understanding Amazon Web services, certification, interviews and troubleshoot in nutshell.This tutorial provides vocal as well as pictorial representation about the available services and its implementation. It is concise and to the point course instead of heavy explanation based.101 Refresher dose, would help you quickly memorise and refresh the AWS services in final hour of your need.