“Internet” is the proper name of the network most people connect to, and the word needs to be capitalized. However “intranet,” a network confined to a smaller group, is a generic term that does not deserve capitalization. In advertising, we often read things like “unlimited Internet, $35.” It would be more accurate to refer in this sort of context to “Internet access.”
This week on the podcast the topics are the disappearing (?) period and the word bug.