Hardware & software:
- KeyPad – Keyboard and Mouse (MacOS) at https://apps.apple.com for $2.99 from Andy Ihnatko.
- HillierSmith YouTube Channel at https://www.youtube.com for free from Rene Ritchie.
- Steam Link at https://apps.apple.com for free from Leo Laporte.
- Macro Photography: The Universe at Our Feet at https://skycrystals.ca for $62.99 (preorder) from Alex Lindsay.