On Point Published by On Point From Snail Mail To Social Media: The History Of Holiday Cards Listen 46 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/693740/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend Holiday cards were the first social media. We'll look at the rich history and hot trends for sharing "Seasons Greetings."