Alexa Flash Briefings are short bite-sized "podcasts" that play on Amazon Echo devices. For infrequent content, a normal podcast is fine. Short, daily content can repeat, however, leading to frustration for listeners.
Pinecast has an Alexa Flash Briefing option that will automatically truncate your feed to only the most recently published episode. You can enable it on the Settings tab of your podcast dashboard.
The Alexa Flash Briefing option only affects your public RSS feed, and does not affect podcast websites, Tip Jar feeds, or JSONFeeds.
Un-truncated public feeds
If you have the Alexa Flash Briefing option enabled and wish to share your full RSS feed, just add
?untruncated to the end of your feed URL. For example:
Untruncated feeds–even with the Alexa Flash Briefing option enabled–will not limit your feed to one episode.
Truncating public feeds
Alternatively, if you do not wish to enable the Alexa Flash Briefing option on your public feed (e.g., you have existing subscribers that you do not wish to truncate your feed for), you can add
?truncate_one to the end of your feed URL to get a truncated feed. For example: