We're all used to buying text link ads--which have been around for years now.

TextLinkAds | The Leader in Text Link Search Engine Optimization
LinkWorth | Search Engine Marketing - Text Link Advertising

Now you can buy a review or a "link" based on someone's Google Authorship status. The higher the number of followers they have, the more it costs for a link or a review of your site with a link:

Author Links

I guess since now Google is putting plenty of weight into Google Authorship, it was bound to happen.