Google+ platform websites integration using the Google+ platform tag.
Identifies administrators for a page which will be able publish data to your wall if you like any content within this page.
Allows a website to define how a page is rendered in Internet Explorer 8, allowing a website to decide to use IE7 style rendering over IE8 rendering.
A scheme.org entity that represents a person (alive, dead, undead, or fictional).
A scheme.org entity that represents a blog post.