| 摘要 |
Methods and apparatus are disclosed for interactive shopping from and advertising within multimedia programs, without any modification, adaptation, mutation, conversion, alteration, or special preparation of the programs or the program mediums and, therefore, applicable to legacy programs such as existing DVDs and on-demand old movies. These methods and apparatus enable users of video and audio programs to select any item of interest shown in a program and buy or obtain the advertising information specific to that item. While convenient for the viewers, these modes of sales and advertising are non- intrusive and do not interrupt the programs.
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