Patent ID: 7558291

Claim:
A delay management method, comprising: determining whether a presentation timing for presenting information to two or more presentation participants at user devices during a presentation session is calculated to correspond with a predetermined presentation timing relationship; sending the information for presentation to the user devices during the presentation session, the information for presentation being received in the user devices at the presentation timing; and when the presentation timing is calculated to conflict with the predetermined presentation timing relationship: forming a delay modification corresponding to at least one of the user devices that is calculated to cause a presentation timing to the participant of the user device to correspond with the predetermined presentation timing relationship; transferring the delay modification to the user device, the delay modification being sent separately from the information for presentation, wherein the delay modification is calculated specifically for the user device to which the delay modification is sent; and causing in the user device receiving the delay modification, the presentation timing to the participant at the user device to be modified by an amount corresponding to the delay modification.