TANGO Applications with their participants
Crisis Management and Command and Control or more generally distributed (tactical) real-time decision support -- decision makers and gatherers of information
Forums and Chattering on the Web -- the world!
Distance Education -- teachers and students (and administrators)
(Tele)medicine -- Doctors (primary and specialist referrals), Nurses, Patients and administrators
Business Enterprise (strategic) Support as in Lotus Notes -- Employees of Business including especially managers
Multidisciplinary Applications including Collaborative design -- teams of up to 10,000 engineers
Steering/Interactive evaluation -- one or more scientists and visualization/"hardware-in-the-loop" devices
In each case Collaboration involves support for dynamic interactive shared distributed objects and one needs both synchronous (as in Tango/Habanero) and asynchronous (basic Web/Lotus Notes/Email) support
The shared objects are both client and server side