Lounging on a sun-kissed Caribbean beach. Rifling through exotic jewelry at the Grand Bazaar in Istanbul. Bombing down a mogul run in the Swiss Alps. No matter what your idea of a vacation is, it should be a time of relaxation and enjoyment free of obligations or logistical problems.
Now think about all the things that can stand in your way: missed connections and delays spent in uncomfortable airports, language challenges, a deluge of e-mails that can probably wait till you return.
Fortunately, the key to navigating around possible pitfalls is in your pocket. Here, 11 smartphone and tablet apps that are certain to come in handy no matter where you're headed. —Doug Cantor