In 2006 I began working to create a generic :scare: sharing :/scare: icon that would be suitable for actions related to social bookmarking, memetrackers, etc. like the Share This plugin for WordPress.

This is the final design, shown alongside its peer icons for Feeds and OPML respectively.

Share This Icon Concept #1 With Peers

The Share Icon is now owned by ShareThis and is available under the same open source licenses I originally released it under. Visit the Share Icon Project web site.

Here are blog posts on the topic:

And more on and Flickr.