Photo Credit: Trivago reported a 67 percent rise in its revenue for the first half of 2017. It is heavily dependent on Expedia and Priceline for its revenue. Pictured is a Trivago ad for Hong Kong.

This week's digital news focused on advertising. Numerous travel campaigns won at Cannes Lions, and Carnival and Trivago throw more money and weight behind their ad efforts. Throughout the week we ...

Data source: Trivago second-quarter financial results. Table source: Author. Trivago's second-quarter revenue soared 67% year over year, only decelerating by 1 percentage point compared to the 68% ...