2011-06-30 “iPhone人気”はまだ健在? 携帯会社の争奪戦続く http://www.nikkei.com/news/headline/article/g=96958A9C93819499E0EAE2E38B8DE0EAE2E4E0E2E3E3E2E2E2E2E2E2?n_cid=DSGGL001