Today's travel tip: if you're going to a country for a long term vacation, get a local SIM to save money on international data roaming fees. Head over to PrepaidwithData. It will tell you everything from what phones work best where, what SIM card to get, and how much it'll cost. You'll also want to be sure you've had your smartphone unlocked.
App of the week: HERE WeGo. This is a free app for iOS and Android. It's a city navigation app, and you can pre-cache maps to save on data.