As the U.S. is soon to ease travel restrictions, this gives travel advertisers 'open free range' to not only run more ads on Google.com/AdWords paid search. But also, retail marketing opportunities to ambitious affiliates and bloggers who employ affiliate marketing as a means of generating passive income.
For example, Booking.com offers affiliate marketers a handsome starting commission of 25% a sale. Affiliates can incorporate a travel search box widget into the HTML backend of a blog or website, easily earning affiliate income while sleeping.
China and the European Union are following suit in easing travel restrictions. That means an "open affiliate marketing buffet," for travel related content marketers who write and publish content solely on the niche topic of everything travel.
Coming soon: Ways for travel bloggers to use Maps.Google.com to increase travel blogging affiliate income using affiliate marketing and blogging.