When I traveled to Paris for five weeks several years ago, we paid out the nose for an international add-on to our cell phone family plan, and we really didn’t get many minutes or data time for it. I know that before that, we never even had cell phones when traveling internationally, but frankly, the thought of not being connected — both to those I’m traveling with, as well as people back home — freaks me out. Thank goodness it’s now cheaper to add a travel option on to your existing cell phone service. I use Verizon, which has several…