This year, digital travel sales in the US will reach $189.62 billion, 40.0% of which will come from mobile devices. In its definition of travel sales, eMarketer includes airline, car rental, cruise, hotel, accommodations (including Airbnb) and transportation. US mobile travel sales will total $75.85 billion in 2017, up 16.7% over last year. On the flip side, desktop and laptop travel sales will decline 1.6% this year to $113.77 billion. Meanwhile, desktop/laptop’s share of all digital travel sales will shrink to 60.0%. And by 2021, mobile will represent nearly half of all digital travel sales. Get the full story at eMarketer