Does the success of the Sally's Spa [1] application herald the emergence of a new iPhone user demographic? Article [2]
Links:
[1] http://www.fiercemobilecontent.com/story/video-sallys-spa-iphone/2009-06-29
[2] http://blogs.wsj.com/digits/2009/06/29/iphone-apps-for-the-miley-cyrus-set/