“You can ‘de-materialize’ certain objects by replacing them with apps on you phone. The obvious example is the camera, but also think of the travel guide book, maps, the moleskine, books, magazines, etc. Also, if you are taking a long term trip, you can buy clothing from locals as you go with apps like Modabound (an Airbnb for clothing) and others.”
It also helps to know which items are, according to the TSA, considered liquids or gels and thereby subject to the 3-1-1 rule. This isn't as simple as it sounds. Foods such as peanut butter, pudding, mashed potatoes, and icing are classified as gels. Mascara, lip gloss, and aerosol items are also classified as liquids or gels. But keep in mind that liquid prescription medication is exempt. (Read more on that on The TSA Blog.) See a more complete list of liquids and gels that are not permitted in carry-on luggage in quantities greater than 3.4 ounces here.
Invest in Luggage: After you figure out if you will be a “carry-on only” or “check only” type of business traveler, invest in a lightweight, durable piece of luggage that has a warranty. The same goes for a laptop bag. Whether you choose a shoulder bag or backpack, make sure it has a lot of padding and distributes weight evenly. You do not want your luggage breaking in the middle of an airport. 
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