Hardware & software:
- The Pudding at https://pudding.cool for free from Leo Laporte.
- Keynote Utilities at http://www.christianholz.net for free from Alex Lindsay.
- Teleprompt+ (iOS) at http://www.bombingbrain.com for $19.99 from Rene Ritchie.
- Fantastic Four #1 (2018) for $5.43 (on Amazon) from Andy Ihnatko.