A recent June 2010 article in a Swedish newsletter compares SiteTalk’s tactics to selling Tupperware.
Here is a Google translated snippet of the article:
Site Talk since last fall based on their combined social network and online store. In order to win users from Facebook and other networking site with attractive bonuses and discounts.
The idea is reminiscent of a Tupperware party. The more your invited friends acting for, the greater the discount you will receive in the company store.