Structured Data Markup is a Google tool started a few years back and that has slowly but surely gained popularity among Internet marketers. The reason it has not become an overnight sensation or a popular Google product among non-techy people is due to its apparent complexity, not its efficiency. Using Structured Data Markup can indeed significantly increase your website' ranking with Google but it takes some time to get familiar with it and apply it to your web pages. The markup helps Goo...