Our product is an algorithm that can sync and match unlimited calendars and understand the difference between availability and unavailability. This can be used to suggest time spots where either multiple people are available to meet or it can be used to match a persons calendar with a booking system from a business. We built in a 'rule system' that can block the algorithm from looking and suggesting certain spots in people calendar (eg. sleep, work etc.)
Our algorithm simply eliminates back and forth communication via email, sms, facebook, skype or other tools in order to find and coordinate availability.
The core of what we are doing is an 'infrastructure for time' allowing both us to build different applications and allowing developers to enrich their products with an intelligent scheduling engine. We are currently developing a product called Timebird that works as a simple mobile app, that allow users to book any type of meeting with any number of people in less than 1 min.