Estimated time drivers save by using real-time GPS traffic updates
Drivers that use GPS systems with real-time traffic info spend 18% less time behind the wheel than those who do not.
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Patrick, "1080i actually is 540p...720p is *supposedly* better because of it being progressive scan. I dunno, I have the Westinghouse 42w2 (1080p), so all's well in my household."
1080i is not 540P. While their bandwidth usage may be approximately close there is a big difference you obviously decided wasn't worth noting.
For instance, 1080i has 1080 line in its frame, but they are separated into two groups of 540 called a field. With 540P you have only 540 lines in the frame. Period. I'll take the 1080i over 540P any day of the week.
The 'i' and 'P' determine how the lines of information are shown, but not how many lines there are.