http://blog.cheapoair.com/news/how-to-invest-in-an-international-cell-phone-while-traveling.aspx The constant traveler always needs to keep up with life back home, or simply needs to be in contact while traveling. There is nothing more frustrating than not having the proper cellular phone service while traveling. Whether you are on a business trip or traveling around the world for pleasure, having cell phone service can sometimes seem almost impossible. Everyone has their different needs; whether you want to tweet about the awesome sites in Venice, or the leisure traveler who only needs a phone for emergencies. Investing in the proper phone can save lots of time, hassle and money.