Software for organizing meetings, communicating with invitees, assigning and verifying credentials, registering and checking in meeting attendees, delivering and receiving messages, providing access to secured doors and enclosures, providing access to physical objects, and tracking and providing information regarding meeting attendees; software for facilitating interaction with physical objects or environments using social identities to authenticate a person's identity and then provision access using electronic credentials; programmable devices for organizing meetings, communicating with invitees, assigning and verifying credentials, registering and checking in meeting attendees, delivering and receiving messages, providing access to secured doors and enclosures, providing access to physical objects, and tracking and providing information regarding meeting attendees, and programmable devices for facilitating interaction with physical objects or environments using social identities to authenticate a person's identity and then provision access using electronic credentials, namely, mobile phones, smart phones, tablet computers, and wearable computer peripherals; downloadable software to organize meetings, communicate with invitees, assign and verify credentials, register and check in meeting attendees, deliver and receive messages, provide access to secured doors and enclosures, provide access to physical objects, and track and provide information regarding meeting attendees

Providing temporary use of on-line non-downloadable software to organize meetings, communicate with invitees, assign and verify credentials, register and check in meeting attendees, deliver and receive messages, provide access to secured doors and enclosures, provide access to physical objects, and track and provide information regarding meeting attendees; platform as a service (PAAS) featuring computer software platforms to facilitate interaction with physical objects or environments using social identities to authenticate a person's identity and then provision access using electronic credentials