An Alexa Flash Briefing is an up-to-date, pre-recorded audio newscast that you can playback on your Echo, Dot or Tap. Usually these are from well known media outlets such as ABC, Bloomberg, BBC and NPR. There are hundreds of available (with more coming). Many flash briefings are also available from lesser known and more independent sources such as Slate, digg, or TechCrunch.
You can setup a single Flash Briefing source, or many, in which case they will be played in the order you specify. It is a really cool way to customize a set of news sources, and then be able to play it back at your command. Read More >>> about How to Get The Best Flash Briefing From Alexa