SendGrid is a proven, cloud-based customer communication platform that drives engagement and business growth. SendGrid is a leader in email deliverability and its proven, cloud-based platform successfully delivers over 30 billion emails each month for Internet and mobile-based customers like Airbnb, Pandora, HubSpot, Spotify, Uber and FourSquare as well as more traditional enterprises like Intuit and Costco.
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.
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.