"Apple has in three years built brand loyalty in the phone market that compels users to upgrade to the latest version and wait in line for one to six hours to pick up their iPhone"
Source:
http://tech.fortune.cnn.com/2010/06/25/77-of-iphone-4-sales-were-upgrades/?section=magazines_fortune
1 comments:
一定要保持最佳狀況呦，加油!!!期待你發表的新文章！.................................................................
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