Jeremy first raised his concern (about iPhone viewport scaling) and later by Andreas. My early view was stated here. Since this issue was raised, I have been trying to find ways to work around this problem. Below is a proof of concept of how to preserve the accessibility (scaling) without affecting the usability for the majority.

All we need to do to solve this problem is to dynamically reset the scale factors to default when user zoom the page. Here is a demo: http://www.lab.highub.com/m/scalefix.html

Read the whole article in its entirety here.

You can also check out Jeremy’s follow-up to this, “Orientation and Scale” over at Adactio.