Google has announced a change to Google+ and you can now embed a G+ post into your website, including your WordPress blog.
It’s a pretty simple procedure, you just add a piece of code to your page/post.
This has great potential if you are a G+ user. Just don’t think it will help your SEO because the code just pulls in the post, along with all the comments. It doesn’t reside on your site so there’s no SEO benefit.
Here’s an example