And at Biscuits and Bath LLC, a boarding facility with multiple locations in New York City, management recently sent email blasts to clients about the flu and posted warnings on its Facebook page.

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"It would be a good idea to change their name if they were rescued and were mistreated and that name is the name that was used, " says Burckhalter, owner of K-9 Coach dog training and boarding facility in Smyrna, Georgia.

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The ability to check in and choose your own seat online has proved extremely popular, so a new facility to print your own boarding card at home is also likely to be a hit.

ECONOMIST: The travel industry