Zendesk provides an integrated on-demand helpdesk - customer support portal solution based on the latest Web 2.0 technologies and design philosophies. The product has an elegant, minimalist design implemented in Ruby on Rails and provides seamless integration of the back-end helpdesk SaaS to a company's online customer-facing...
A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
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Sites who has this tag are verfied by google to use WebMaster tools