Update free-podcasts-screencasts-en.md with Persuasive Technology (#8863)

* Update free-podcasts-screencasts-en.md with Persuasive Technology

* sort

Co-authored-by: Eric Hellman <eric@hellman.net>

casts/free-podcasts-screencasts-en.md

@@ -26,6 +26,7 @@
 * [Language Agnostic](#language-agnostic)
 * [Lisp](#lisp)
 * [Machine Learning](#machine-learning)
+* [Persuasive Technology](#persuasive-technology)
 * [PHP](#php)
 * [PostgreSQL](#postgresql)
 * [Python](#python)
@@ -342,6 +343,12 @@
 * [TWIML AI Podcast](https://twimlai.com/shows/) - Sam Charrington (podcast)
 
 
+### Persuasive Technology
+
+* [Persuasive Technology and Behavioural Design](https://anchor.fm/digital-mindfulness/episodes/DM-20-BJ-Fogg---Persuasive-Technology--Behavioural-Design-eu6onh) - BJ Fogg (podcast)
+* [Your Undivided Attention](https://www.humanetech.com/podcast) - Tristan Harris and Aza Raskin (podcast)
+
+
 ### PHP
 
 * [Laravel News Podcast](https://podcast.laravel-news.com) -  Jacob Bennett, Michael Dyrynda, Eric L. Barnes (podcast)