I recently did a SocialSpark sponsored post called Cisco Certification.I recently visited the opportunity page to see that my post was called 'the best post to date'.It was totally unexpected and unintended as this opportunity doesn't have a bonus(Sad!).Here's the screen shot showing that my post is the best to date-

You might have to zoom in to see the name of my blog clearly.I hope I manage to do something like this for an opportunity with a bonus.