You have probably heard about Garmin, since it is one of the best, if not the best, contender of today's GPS market. Sure, nowadays, the smartphones found in our pockets come with GPS functions, but there is no denying that Garmin devices are better in terms of accuracy and overall signal coverage. To ensure the maximum levels of performance of your Garmin device, you might want to make sure that it features the latest maps and updates installed. Here is where Garmin Express comes into play, an essential tool for managing your GPS device.