It is low for the NTSC and PAL televisions that are common today, but will increase as HDTV televisions become affordable. Typical resolutions increase, therefore, as larger memories and displays become more affordable. The area is also reduced if the user resizes the browser, which they can do at any time, and will likely do for high resolution displays. This is another reason why developers should not assume that the effective resolution is any fixed value. No good stats are available, but it is a very new product, so there are relatively few users.
Most users likely have old PC s .
The percentage will continue to drop as older PC s are retired, but will remain significant for several years. The percentage will likely decrease slowly, but remain popular for many years. For example, the Sony eVilla has a portrait-mode display, with the height greater than the width. This discusses trends in the colour-depths of browser displays. The real number is surely less, but only AOL knows by how much.