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Things like electricity conversion charts, embassy information, telephone dialing instructions, traveler’s check advice, international television channel breakdowns, menu translations, cultural etiquette tips, foldout maps and clothing size charts.

Here we highlight five — climate change, deforestation, erosion, wildlife poaching and gentrification — and offer examples of places and experiences that may soon go the way of the traveler’s check.

Later that day, according to the police, Vida walked into a McDonald’s at Fifth Avenue and 33rd Street and asked an employee behind the counter to cash a $50 traveler’s check.

“But a traveler’s check is perfectly safe,” I said.

“Would you cash a twenty-dollar traveler’s check for me?”