In June 2012, I was invited to give a (very) short talk at the Singapore iOS Hackathon about wire framing mobile apps.Instead of going into a “how-to”, I decided to talk about “why”. I was going to hang around all day, so I thought if someone needed help on how to get started, I could always talk to them one-on-one.
There's a blog post where I've discussed this talk a bit in detail - http://www.navjotpawera.com/blog/2012/06/19/on-wireframing/
Wireframing Sketchkit - www.sketchkit.com