thomasdavis

Update: If you had trouble installing the plugin, please download the plugin zip from <a href="http://thomasalwyndavis.com/2010/09/socialsidebar-wordpress-plugin/" rel="nofollow ugc">here</a>
The plugin is custimizable and lets you change the icons if you have fancier ones.
For a more details and a screenshot view the site below
<a href="http://thomasalwyndavis.com/2010/09/socialsidebar-wordpress-plugin/" rel="nofollow ugc">Plugin Site</a>
An example of the plugin is on the right hand side of the page.

Social Sidebar

A popout menu for your website, simple to install and setup, shows social networking icons in a un-obtrusive way.

Hilton Moore

ShareDisc is a social media marketing platform for online shop owners. It allows a customer to share products they purchase with their social media followers in exchange for a small discount. The aim of the ShareDisc platform is to viralize your shopping site by creating a personalized recommendation on social media in order to drive traffic back to the online shop and increase conversions based on the recommendations.
See more at http://www.sharedisc.com
The ShareDisc addon for WooCommerce helps you increase your social networking community/fan base and at the same time improve the sales through giving them discounts. Discount will automatically apply once they share through available social networks. As the store owner you can divide and assign the % amount of discount the shopper can earn for each social network. For example: Social Network 1 = 5%, Social Network 2 = 3%, Social Network 3 = 2% for a total of 10% discount or part there of.
By rewarding sharing, your shoppers will be much more likely to share a product over a social network. Our callout tag grabs their attention and notifies them that there is a discount available for sharing. We’ve seen our existing users easily double their sharing activity by using ShareDisc.

ShareDisc

Let your customers share their purchase or entire cart in exchange for a discount directly to their friends on Social Media.

Social Sidebar vs ShareDisc