Skift Take
It's hard to determine a return on investment on a subway campaign but tagging photos and uploading them to social media, as well as actual newsletter sign-ups, gives Travelzoo metrics to consider.
Email marketing is a science and Travelzoo, which has one of the largest newsletter subscriber rosters in the travel industry with 27 million members, knows more than a thing or two about it.
But the New York-based travel deals and hotel booking site is promoting its every-Wednesday Top 20 deals newsletter with signage on New York City subways as well as using out of home media in Chicago,
