WSJdpatton writes "Walt Mossberg tested the iPhone for two weeks, in multiple usage scenarios, in cities across the US. His verdict is that, despite some flaws and feature omissions, the iPhone is on balance a beautiful and breakthrough hand-held computer. Its software especially sets a new bar for the smart-phone industry, and its clever finger-touch interface, which dispenses with a stylus and most buttons, works well, though the lack of physical buttons can be a hindrance." Digital Daily has a roundup of early iPhone reviews.
I've never been canoeing before, but I imagine there must be just a few
simple heuristics you have to remember...
Yes, don't fall out, and don't hit rocks.