Tumblr is a blogging service with an elegant interface for creating and publishing content. In this tutorial, we are going to use it as the foundation of a news publishing system. We are going to develop a simple widget which cycles through the most recent posts on a Tumblr blog, and presents them as news items to your users. Adding news will be done by creating new blog posts in your Tumblr dashboard.
The code we are writing will be organized as a jQuery plugin, which will make it portable and easy to embed in an existing website. When the plugin is run, it will request the latest posts from your blog with AJAX