I am typing this from a BlackBerry device. While it is impressive to be able to log onto my web site on a wireless device and make changes, the small device form factor is necessarily not the most desirable for text entry. For reading, it’s quite nice. I have been using various handheld devices for years, and find the screens easily readable, even for more than a few minutes. This makes anything but terse emails somewhat … a slow and laborious process at best.…