Circuit is a communication platform that provides seamless transitions between calls on web and mobile clients with presence awareness and location-based status. It offers contextual search and filtering of people and content, HD video calls, message flagging, screen sharing, and file insertion. Circuit also enables private and group conversations, open social conversations, and multi-modal communications including messaging, voice, video and screen sharing. Key features currently available include mobile clients, conference dial-in, and favorites/like support, while meeting recording, guest access, and connectors to telephony and Exchange contacts are under development.