Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to use a gps [title] Buy a smartphone or car gps to get directions and your location. [step] The gps market is flooded with different devices, options, and features. Unless you plan on using your gps in the wilderness or for research experiments, however, your smart phone or a car gps, can provide directions and your location quickly and easily.

Ending1: [title] Get a boat in a world of ice. [step] Many locations in the world have lakes, creeks, and other temperate waters that can easily be easily navigable if you approach them from the coast. Ending2: Most have touch screens and come with a rechargeable battery. [substeps] Smart phones: most smart phones come pre-loaded with a " maps, " or " directions " app that uses gps. Ending3: [substeps] Research and buy a smartphone or a car gps to get directions and your location quickly and easily. Check the local maps where you're headed. Ending4: If you are looking for a gps device, you can purchase a newer model or have a newer gps or a feature so you can easily get directions. [substeps] You can download the gps app for your smartphone from the app store.

Answer format: ending1/ending2/ending3/ending4