Each week Ross Rubin contributes Switched On, a column about consumer technology.
When considering the great technology advances of the past few decades, GPS tends to get short shift compared to such culture-rocking innovations as the internet and cellular networks. But it is a marvel nonetheless. Just a few generations ago, the idea of hopping in a car with no clue how to get to a particular destination was foolishness (or at least fodder for gender-stereotyping comedians). Today, with an inexpensive device or smartphone software, we can do so with near certainty of finding our way.
Developers of nav
