Reward and be rewarded with Kudos coins!. Kudos Coins fore Firefox give and receive kudos from within the following web 2.0 web sites:
* eBay
* Facebook
* Flickr
* Slashdot
* Wikipedia
* YouTube
* Drupal

Requirements:
* Firefox

The license of this software is Freeware, you can free download and free use this browser plug-ins software.