Most of us like to share things with people that we know. This is one reason that flickr, facebook, and twitter became so popular. Sharing is huge. It’s likely that if you’ve used the internet, you have shared something with someone. Many of us share different things through many different networks. This can be quite a pain. There are many add-ons that tackle this very issue. However, the browser can make sharing easier by integrating sharing into the browser. If we know what social networks you use, by what passwords you’ve saved in Firefox, it should be pretty easy to enable sharing in Firefox.
In looking at this problem I’ve come up with the following design: