Sales of Apple’s iPhone are through the roof:

Apple continued to defy the recession, posting another record-breaking quarter on the back of the iPhone and its related applications.

Apple reported a profit of $1.23 billion for its third fiscal quarter of 2009, on revenue of $8.34 billion. That represented the best non-holiday quarter in Apple’s history, the company said.

[...]

Apple’s success was clearly predicated on the iPhone. Sales of the Macintosh notched upwards by four percent versus a year ago, to 2.6 million Macs. And iPod unit sales actually declined by 7 percent, to 10.2 million units. But sales of the iPhone surged by 626 percent to 5.2 million units. Apple said that 1.5 billion apps have been downloaded from its App Store in the first year, and there are currently over 65,000 in the App Store.

[...]

“We’re making our most innovative products ever and our customers are responding,” said Steve Jobs, Apple’s chief executive, in a statement. “We’re thrilled to have sold over 5.2 million iPhones during the quarter and users have downloaded more than 1.5 billion applications from our App Store in its first year.”

This is a good time for destinations (and everyone else) to start engaging potential and actual customers on mobile devices.