A faithful reader pointed out to me that XM Satellite Radio just recently had a patent approved that gives us the opportunity to take a deeper look into the upcoming time-shifting technologies to come.
Here's a snippet from the Abstract. I bolded some phrases that are of interest:
A receiver in a digital broadcast system is provided for storing broadcast content files for on-demand playback purposes. The content files are transmitted in a partitioned format. Users can select which content files are to be captured in a memory device following reception. The receiver is operable to monitor the reception of content file segments and, when a selected on-demand content file has been completely received, to generate an alert message to notify a user that the content is available for retrieval from the memory device and playback via an output device.
Very, very, very cool.
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