Data hiding based messages and advertisements

A method comprising:

• receiving, on a client device, first data in the form of a primary multimedia presentation with second data in the form of a plurality of steganographic codes embedded therein, the steganographic codes being coincident with an associated portion of the primary multimedia presentation into which they are embedded to form a single, simultaneous data stream;
• whereby the steganographic codes are not perceivable during a rendering of the multimedia presentation and the steganographic codes are associated with at least one secondary multimedia presentation coincident with an associated portion of the primary multimedia presentation into which it is embedded to form the single, simultaneous data stream;
• presenting the primary multimedia presentation;
• receiving a user selection to select at least one of the steganographic codes;
• retrieving the secondary multimedia presentation from the data stream through the use of a steganographic key;
• decoding the steganographic code on the first device and retrieving the secondary multimedia presentation from the data stream through the use of a steganographic key;
• and presenting the secondary multimedia presentation to the user in response to receiving the user selection, wherein the second multimedia presentation is presented after a time period when the primary multimedia presentation is completed.

A client video playback system comprising:

• at least one receiver for receiving first data in the form of a primary multimedia presentation with second data in the form of a plurality of steganographic codes embedded therein, the steganographic codes being coincident with an associated portion of the primary multimedia presentation into which they are embedded to form a single, simultaneous data stream;
• whereby the steganographic codes are not perceivable during a rendering of the multimedia presentation and the steganographic codes are associated with at least one secondary multimedia presentation;
• at least one video output communicatively coupled to a display for presenting the primary multimedia presentation to a user;
• at least one user input communicatively coupled to a user input device for receiving a user selection to select at least one of the steganographic codes;
• at least one processor executing programming instructions that in response to receiving the user selection, decoding the steganographic code on the first device and retrieving the secondary multimedia presentation from the data stream through the use of a steganographic key;
• and presenting the secondary multimedia presentation to the user wherein the second multimedia presentation is presented over a second client device which is distinct from the client device video playback system.