From Google's official blog (Bringing Google+ Comments to Blogger):
Bringing Google+ Comments to Blogger Reading and responding to comments can be one of the most rewarding aspects of blogging. Not only do they help you connect with your readers, they can also inspire later blog entries. The challenge, oftentimes, is following all the conversations around your content—on Google+, for instance, as well as on your website. So we're making things a lot simpler.
(Googleblog.blogspot.com, April 18, 2013.)
Do you think that this new feature will give other comment services, e.g., Disqus, Livefyre and CommentLuv a fighting match?