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by Edited by Lisa A. Grimaldi | September 04, 2012

Keku screen shotCall home or the office for free while traveling abroad, using Keku's app. Here's how it works: Download the free Keku app to your smartphone and smartphones of family members, coworkers, managers or anyone at home you need to contact while you are outside the U.S. The service allows you to make free calls to them from anywhere in the world. keku.com