This document discusses how using Schema markup can improve findability on search engines by providing structured data that enables rich snippets and product listing ads. It provides examples of common Schema types for reviews, products, recipes, events and software applications. The document demonstrates how to implement Schema using Microdata for a book and recommends tools from Google and Schema.org for testing and validating Schema markup implementations. In conclusion, it notes that only 0.3% of over 50 million analyzed domains currently use Schema.