How to make Visual Studio 2010 highlight identical, selected words in editor ?

I would like to enable (if it exists) an option in Visual Studio 2010 that would highlight the same identical words to the selected ones. There is a feature like this already implemented e.g. in Notepad++ it looks more or less like this :

Does anyone know if it exists in Visual Studio 2010 ?

There is an extension on Microsofts Visual Studio Gallery named "Highlight all occurrences of selected word" which promises what you're looking for.

Umm, this is a built in feature.

http://blogs.msdn.com/b/zainnab/archive/2010/01/18/how-to-use-reference-highlighting.aspx

http://msdn.microsoft.com/en-us/library/ee349251.aspx

People Looking for visual studio 2015:

https://marketplace.visualstudio.com/items?itemName=PaulCzywczynski.Highlightalloccurrencesofselectedword

It's a modified version of Nicholas Sha's plugin by Paul Czywczynski. The syntax highlighting looks just like notepad++, but better.

It puts little markers on the line numbers of the occurances.

Screen Shot Here