Identifies administrators for a page which will be able publish data to your wall if you like any content within this page.
The Tweet Button is a small widget which allows visitors to share content and connect on Twitter.
Sites who has this tag are verfied by google to use WebMaster tools
A scheme.org entity that represents an event happening at a certain time and location, such as a concert, lecture, or festival. Ticketing information may be added via the 'offers' property. Repeated events may be structured as separate Event objects.