1. A method of sharing information entered by a publisher application to a participant, the method comprising: receiving a subscription request from a subscriber application of the participant that specifies the publisher application and subsequently, the subscriber application becoming inactive, and subsequently setting up an event filter to specify events subscribed-to as limited to an event type; receiving a published event from the publisher application, the published event representing an action performed by the publisher application on a user interface, the published event comprising action program code to perform the action on the user interface, and in response, to the published event, one or more processors determining that the published event matches the subscription request from the subscriber application while the subscriber application is inactive, and subsequently, the one or more processors determining that the subscriber application becomes active, and only in response, sending a screen shot of the user interface from an operating system of the publisher application to the subscriber application; sending the action, including the action program code, separate from the screen shot, from the operating system of the publisher application to the subscriber application; and the subscriber application receiving and displaying the screen shot, receiving the action program code and subsequently executing the action program code to perform the action and displaying a result of the execution of the action program code on the screen shot such that the participant sees the action performed on the user interface after seeing the user interface before the action was performed; receiving a second subscription request from a second subscriber application of a second participant that specifies a publisher application and subsequently, the second subscriber application becoming inactive; and subsequent to receiving the second subscription request from the second subscriber application of the second participant that specifies the publisher application of the publisher, setting up a second event filter to specify events subscribed-to as limited to the event type, wherein the event type comprises mouse position.