If you write content for the web, you should claim your Google Authorship to help establish your online reputation. Many don’t realize that Google Authorship brings a level of authority to your posts, tying them into your Google+ profile that can help establish you as an expert in your field of knowledge.
Google Authorship was created as a way to verify quality of content. By tying specific content to a real person, they can not only validate your online profile, but they begin to see a collection of content as interconnected information. They can weigh the quality based on quantity, thus determining how good is the content you write.
Establishing Google Authorship requires 2 steps:
1) Enter your Google+ profile link on your website user profile. How you do this varies by website type. In some cases you might need a plugin. Here is a tutorial that shows you how to do it in WordPress. Here is a plugin that lets you do it in Joomla.
2) The second step is to add content links in your Google+ profile. This tells Google where you are writing content. This tutorial will show you how to edit your Google+ profile.
Once you have added your Google+ Authorship, then anything you write on the sites connected will show up with your photo and byline. These links are more likely to get clicked in Google searches, which means more eye balls appreciating your work.