It was not the high-quality of the "a" on the right that was exaggerated, it was the low quality of the one on the left.<p>The "a" on the right is fine, it is there to represent the kind of image in which you no longer are able to detect pixillation, going above of the supposed 300dpi limit, like what would happen on the iPhone4. On the other hand, presenting on the left an "a" with half the quality of the one on the right would probably be too difficult for people to spot the difference.<p>If they were fair on that slide, it probably would be interesting to analyze if people would really notice the difference or if they would just pretend they did (<a href="http://en.wikipedia.org/wiki/The_Emperors_New_Clothes" rel="nofollow">http://en.wikipedia.org/wiki/The_Emperors_New_Clothes</a>). Sure thing, it would not have that much of an impact, at least until all of those people get the chance of having the new iPhone in their hands.