Greenberg Smokehouse in Tyler, Texas is known for its smoked turkeys which are shipped national and internationally during the fall season around Thanksgiving and Christmas. It has a website, a mobile version of the website, and an app for purchasing the smoked turkeys. There are recipes $($both written and videos$)$ using Greenberg turkeys as a key ingredient, especially geared to what to do with leftover turkey after the holidays. They also have an active Pinterest board for recipes. There are testimonials from employees and customers that are on the site and are turned into ads that are shown on YouTube and Facebook. From what you have learned, what metrics should Greenberg view to know how well their sites, content and marketing campaigns are doing? Define and explain each metric and how it applies in this situation.