Making +1 button more useful for Google+ users, Google announced a few changes.
Now you can share link to your +1'd pages with your social circles on Google+. Besides this you can also use +Snippets to customize the description, name and image. Secondly, there new inline annotations to increase the engagement on your page.
Once you share the content by opting for the Share on Google option, it will also allow you to add comments and by default include a link and an image for instant reaction. Google calls it “+snippets”.
Here's a video explaining how exactly this new feature works:
This new +snippet feature will benefit the publishers too as with just some tweaking to your webpages you can encourage more sharing of your content for your Google + users.
Google Daniel Dulitz explains how it works, “Now, when a person visits a page that someone they know has +1’d, they can see a name and face reminding them to pay special attention to your content.”
This is what it looks like:
According to Google, these features will arrive next week. However, as announced last month if you want to take be an early bird and test the updates even before they are rolled out for other users join