A human- and machine-readable coding language that adds structure, meaning, or context to a text document. Extensible markup language (XML) ranges from very simple to highly complex (hence “extensible”). Today’s version of HTML is a specialized example of XML. Schema markup is an example of how XML can be used to improve the user experience (UX) of search engine results pages (SERPs).

Building an Opt-In List, Building Relationships
If you aim for success, you must do everything within your means to achieve that. You just donít go on sitting there in your house complaining about not getting as much profit as you expect.