Snapchat introduces Discover and goes from messaging to big media. Also: Amazon’s making their own original movies – here’s why the movie business will never be the same. Plus, Tom raves about Taylor Swift’s move to gobble up trademark protection to many of her phrases, while Mark rants about the utter absence of ideas for season two of the popular podcast, Serial. Mark also raves about the most popular Superbowl commercials – many of which didn’t even exist. It’s episode 12

The spot load on some radio stations continues to swell.  But how much is too much?  At what point will audiences and advertisers decide to take their listening and their business, respectively, elsewhere? A cautionary tale is as close as the nearest cable box. From Broadcasting & Cable: Viacom has come under fire lately for cluttering some of its channels with extra commercials in order to make up for advertising revenue shortfalls caused by lower ratings. But one little-not