You’ve probably had this experience:

• You anticipate the arrival of a new device for weeks.
• You discuss it with your friends, read the reviews and the promised features.
• You listen to the hype; sometimes a believer, sometimes a skeptic.
• You try the device in the store. It’s got some nice features.
• You buy it.
• Your friends ask to play with it and strangers ask what it is.
• 1 week later the allure is gone. The experience has imperfections.
• 2 weeks later its weaknesses are clear. You don’t love it. There are a few cumbersome interactions and design flaws.

The iPhone stands out strongly as an exception. It definitely passes th