"Google Street View, a collection of 360° panoramic maps that cover hundreds of cities around the world, have transformed online maps from flat graphics to interactive experiences. Like other web technologies, web developers have taken advantage of the open platform to add and shape the maps into new and clever uses, some of which are featured below."
Webspiration is online mindmapping from the creators of Inspiration. Many of the same features as the for-purchase Inspiration and completely free. Includes plenty of templates and you can download mindmap as Inspiration or Word file. Key feature is collaborative editing; simply invite a colleague/student via email and you can collaborative form anywhere with an Internet connection. You can post mindmap on a web page, too.