On a slightly related note, my list of favourite non-development blogs which I follow as an iOS developer:
- Daring Fireball (http://daringfireball.net/)
- The Loop (http://www.loopinsight.com/)
- Six Colors (https://sixcolors.com/)
- Marco Arment (https://marco.org/)
- Mac Rumors (http://www.macrumors.com/)