This simple Meteor app demonstrates the possibility of using OAuth 2.0 to connect multiple Web 2.0 services to a single account. This effectively authorizes the Meteor app to act as an agent on behalf of the connected accounts. If carefully designed, this could act as a mediator between disparate groups to improve workflow and organizational cohesion.
For more mature examples in the same vein, see the commercial services IFTTT and Zapier.