How to markup Blogger blogs with Schema.org microdata. Examples provided. Put an end to your +Snippet headaches!

Google introduced the +1 button to the whole world on March 28th 2011 and today we can see it almost everywhere in the internet.
Even bloggers that are using Blogger have +1 buttons on their blogs but unfortunately many didn’t know how to make +1-friendly annotations or markups on their blogs. Correct +1 annotations and markups are important because they can help visitors properly populate their