Hardware & software:
- RubyMotion at http://www.rubymotion.comÃ?Â for $150 from Leo Laporte.
- Asana at http://asana.comÃ?Â for free trial from Daryn Okada.
- Adonit Jot Pro Stylus for iPad, iPhone, iPod Touch, and Other Touch Screens (ADJPG) for $26.30 (on Amazon) from Andy Ihnatko.
- OS X: System Preferences -> Time Machine -> Can set the time for how long before a document gets locked (or disable completely).