For most people, one of the great pleasures of a hunting trip comes from leaving the modern, day-to-day world behind. The woods, mountains, fields - wherever we go to hunt - are as far away from the busy, noisy, intrusive, time- and task-driven civilization we usually experience as we can possibly find. Of course, part of this desire to get back to a simpler life is an illusion: The clothing we wear, for example, is made from modern fabric that is lighter, warmer and more water-resistant than anything our grandfathers could have imagined. The game calls, ammunition and optics are all far beyond what was available a few generations ago. As for game cameras, global positioning systems and accurate weather forecasts brought to us by satellites in near-Earth orbit, they're technologies that were the stuff of science fiction even when most of us were still children. Taking along a cell phone while hunting can be justified if it keeps us just a little bit safer and makes the experience a little more enjoyable, without being too intrusive or helping us take unfair advantage of the game. Short of