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One mark of a truly experienced traveler is that you never know what to expect when you ask them how they make travel easier. We asked five people who define the jet-setting lifestyle for their best recommendations—so download that obscure app, pick up those weird supplements, and thank us later.

Jimmy Chin, Climber and Photographer

“To stay healthy while traveling, I get my immune system cranking while I fly. I bring  to ward off colds, , and arnica capsules, which reduce swelling and are supposed to help with jet lag. Lately, I’ve been using the . At 4.7 inches, it’s the smallest thing I can throw in my bag. It’s super nice to be able to roll out my glutes, legs, and back after long flights.”

M. Sanjayan, Executive Vice President of Conservation International

“ is the best translation app out there.  is good, too, and it works offline. For simple stuff, Google Translate is helpful. The best reason to use these is to break the ice.”

Sandy Cunningham, President of �����ԹϺ��� GO

“One of the first things I tell clients is to get trip insurance. I’ve seen so many bizarre instances that prevent people from traveling that it’s worth it. We’ve been using  for years, and it offers a range of coverage for as little as $35. But make sure to purchase it within 14 days of putting a deposit down on a trip to get the best coverage.”

Bruce Poon Tip, CEO of G �����ԹϺ���s

“Data is key for keeping in touch abroad. I’d rather stay in a hostel with good Wi-Fi than the best hotel in the world with crap Wi-Fi. Make sure your hotel has it, and don’t be afraid to negotiate with hotels that charge for it. If you’re paying $300 per night, why should you pay extra for Wi-Fi? Mention it when you’re making the reservation, and negotiate any fees up front.”

Tim Ferriss, Author of The 4-Hour Work Week

“Honestly, I can’t remember the last time I rented a car overseas. Since the is in 100 cities, I use it to arrange almost all transport, and it ends up cheaper, especially now that I can use my American Express points. It also avoids language problems with normal taxis and even rental-car outfits. Just punch in the destination and you’re done.”