It's a vital strategy for Google to get businesses on Google+ by creating brand pages and attracting more users on it. With the introduction of these features, Google offers a badge for users and brands to implement on their blogs and websites to be followed easily by their friends and followers. The functionality is much similar to Facebook subscribe and like box plugins. As a product of Google, now Blogger offers you the Google+ badge for your blog as an official element. Mind adding it to your blog?
i. Navigate to your Google+ profile.
ii. Get your profile ID from the URL displayed in your web browser address bar. Your profile ID is a number similar to the highlighted value in below example.