Smartphones allow us to stay in contact anywhere, look up information and get directions. There may be a cost to this when traveling. This BLOG helps you understand what alternatives you have like using wifi at your hotel, in a bar or a restaurant to have free access to email, FB, Messages and information.
GPS allows us to find points of interest, our hotel and restaurants, Looking up a name to get the GPS coordinates uses internet data and can cost you.
The video below helps you understand how to control these costs: