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fabiancz

This plugin adds a set of cool icons and widgets at the end of your post for your readers to share. Widgets are Twitter, Facebook and Google +1. It supports large icons and small icons.
This plugin is copy of “simple-social-sharing-widgets-icons”, because it’s not updated;

Simple Social – Sharing Widgets & Icons Updated

Adds a set of cool icons and widgets at the end of your post for your readers to share.

Godlessons

Allows you to add full or partial posts to Google Buzz automatically. Allows one profile for the main feed and each author can add their own profile to their profile page.

WP AutoBuzz

Allows you to automatically add full posts to Google Buzz

Simple Social – Sharing Widgets & Icons Updated vs WP AutoBuzz