Short story: Psyche and Pskyscraper by O. Henry, listened to on the Morning Short podcast. Recommended.
Poem: The City in the Sea by Edgar Allan Poe, listened to through Librivox. Recommended.
Essay: How the Blockchain Will Radically Change the Economy by Bettina Warburg, listened to on the TEDTalks pocast, from November 2014. Highly Recommended.