If you have multiple monitors and do a lot of reading online, one thing you might want to consider is turning one of your monitors on its side and then changing the orientation. The reason for this is when you maximize your browser/PDF/emails/etc. on an upright monitor, the orientation resembles an 8.5×11 page (at least more so than a the monitor being in its typical orientation) and usually fits more text in the window.
Most flat panel monitors can be easily rotated to accomodate this change, so the only thing you would need to do is rotate your screen alignment. I know Intel graphic engines (what I use) can do this easily within the provided graphics software, so I am pretty sure most all other graphic drivers can accomplish this as well.
This change may not be for everyone, but as I mentioned earlier it is worth a shot if you do a lot of reading online.
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