You can think of it as an electronic bookmarker that services as a guide with you go back to that specific web page.  Another neat feature is it also automatically records and saves your highlighted info in a scrapbook for later.

Here are some of the ways you can use this handy extension:

• As a highlighter to help you mark material on a web site
• Save specific positions in a web page by marking it with the highlighter tool
• Use as a scrapbook to collect a lot of data from different pages or locations
• Organize your thoughts, but using different colors and styles for different occasions or tasks

So next time you have a research paper due, you need to compare prices, you need to collect various stats for your boss or you have a school project your working on, try working with the Wired-Marker.  This is thus far the king of the digital highlighters.