Zendesk is a service platform that builds software to empower organization and customer relationships.
Zendesk’s family of products helps organizations understand their customers, improve communication, and offer support where and when it’s needed most.
Wufoo is an online HTML form builder that helps anyone create beautiful contact forms, online surveys and event registrations without writing a single line of code.
Facebook is an online social networking service that allows its users to connect with friends and family as well as make new connections. It provides its users with the ability to create a profile, update information, add images, send friend requests, and accept requests from other users. Its features include status update, photo tagging and sharing, and more.