Make your mobile web page, appear correctly if an iPhone/iPod user decides to add your web page to the home screen (or whatever those guys call it).

57x57 icon size,   how default is that

Keep up the good work chaps

http://developer.apple.com/documentation/AppleApplications/Reference/SafariWebContent/OptimizingforSafarioniPhone/chapter_3_section_4.html#//apple_ref/doc/uid/TP40006517-SW5