Bill Slawski has an excellent post this morning on Hummingbird and Authorship. What it boils down to is short text, or social messages.
If you’re one of those people who has developed a habit of sharing links on social media but not including any context for those links by adding helpful commentary so your fans and followers can understand the importance of the link, then you probably aren’t doing yourself any favors. You should start adding more to your social messages.
I’m not saying you should write a book. Twitter only gives you 140 characters, but those 140 characters are very important.
In a word, they add context to your links. But that’s true of your messages on Facebook, LinkedIn, and Google+ too. What you say about the links you post can determine an awful lot about what you think of that link. In the case of Google+, it could also determine your authority on the topics you post about. Google knows what those topics are based on your social messages – or short text.
Here’s an example:
Let’s say you post a link to a how-to on changing the oil in a Mercedes. If you are a Mercedes auto mechanic, then that’s a link that is right in line with your expertise. But how will Google know that if all you post is a link. One paragraph of text explaining that the article is a must-read for anyone who owns a Mercedes helps Google associated the keyword “Mercedes” with your name and reputation. Do that enough times and Google will learn to associate your name with “Mercedes” all the time.
One post here and there isn’t much, but long term, a habit of turning your links into short commentary will give you a boost in authority.