Google Now is software from Google that acts as an app. It is used to navigate through the Google products and is also useful as an assistant. It is available for Android, iPhone and iPad and even on Google Chrome. The key function is availed through cards that provide snippets of information that could be opened further to read the entire card. These cards include those of Sports, Stocks, Places, and Reminders among other cards. When you begin using the app the first things you might notice are the sample cards that will help you with an idea of how Google Now can be more useful. The settings will determine how Google Now presents cards to you and how much information will be displayed, and which information will be relevant. In this guide you will learn how to use the OK Google voice command to search for almost anything or to open apps or websites.