Some express grievance over needing SIM cards, phones and Google to navigate in unfamiliar places, but it doesn’t need to be this way. First of all, Google is not necessary to have access to detailed maps. Please check out Open Street Map. OSM data has been integrated into various other products and services, although it can be used directly for your own personal use case. One great application which makes use of Open Street Map is Marble, which can functionally replace the spyware known as...