System and method for providing and tracking the provision of audio and visual presentations via a computer network

1. A method for tracking digital media presentations delivered from a first computer system to a user's computer via a network comprising:

providing a corresponding web page to the user's computer for each digital media presentation to be delivered using the first computer system;

providing identifier data to the user's computer using the first computer system;

providing an applet to the user's computer for each digital media presentation to be delivered using the first computer system, wherein the applet is operative by the user's computer as a timer;

receiving at least a portion of the identifier data from the user's computer responsively to the timer applet each time a predetermined temporal period elapses using the first computer system; and

storing data indicative of the received at least portion of the identifier data using the first computer system;

wherein each provided webpage causes corresponding digital media presentation data to be streamed from a second computer system distinct from the first computer system directly to the user's computer independent of the first computer system;

wherein the stored data is indicative of an amount of time the digital media presentation data is streamed from the second computer system to the user's computer; and

wherein each stored data is together indicative of a cumulative time the corresponding web page was displayed by the user's computer.

2. The method of claim 1 , wherein the storing comprises incrementing a stored value dependently upon the receiving.

3. The method of claim 2 , wherein the received data is indicative of a temporal cycle passing.