Narrowly targeted advertising to a captive audience likely works to some extent but it's rare that an advertiser is ever able to get that. Something like a spor

Narrowly targeted advertising to a captive audience likely works to some extent but it's rare that an advertiser is ever able to get that. Something like a sports stadium where almost everyone there is a sports fan and can't mute to Jumbotron advertising to them is the closest most advertisers get. In Amazon's case, they have not only an extremely narrowly targeted audience but also one that's extremely captive to seeing the message.