mobile

O’Reilly Answers recently posted an excerpt from Tapworthy about the ideal size of iPhone tap targets.

This week at Mashable, I shared some ideas for extending the (alarmingly brief) lifespan of mobile apps. The secret: content trophies, competition, community, and a dash of emotion.

The gorgeous high resolution of iPhone 4 soothes the eye but adds extra legwork for iPhone designers. Here’s the big picture.

As usual, I’m all atingle for South by Southwest, but this year the tingle is especially tingly because I’ll be on the other side of the podium.

Got a second? I’m pitching talks for SXSW Interactive about delightful iPhone apps and playful fitness technology—and I need your vote.