At this moment, knowledge of structured data and usage is growing more and more. Most marketers now Structured data from rich snippets, but how about the usage of data by the Knowlegde graph.
New ontologies and markup languages are being developed at a high rate. Most SEOs will not be familiar with JSON-LD yet, but this way of marking up data creates completely new opportunities and will make it more easy to work with structured data for the average online marketer. I will take the attendants into a journey starting at the first use of rel=”friend” to the current possibilities and will shine some light on future developments in regards to search technology.