This tree-top hotel resort concept, called Living the Till, gets its name from the tillandsia plant, a plant that 'lives off the air' and without soil. Radical Innovation/EoA Skift Take: Given the industry's increasing focus on sustainability, these hotel ideas could soon become a reality. That's especially so for developers looking to build projects that are not only eco-friendly, but are increasingly design forward.

Aman Hotel COO Roland Fasel (left) speaking at Skift Global Forum in New York City on September 27, 2017. SkiftX editor Greg Oates is at right. SkiftSkift Take: Why wouldn't Millennials like Aman Hotels? It's among the most luxurious operators in the world.

Ed Bastian (L), Delta Air Lines CEO, speaking at Skift Global Forum in New York, September 27, 2016. SkiftSkift Take: Delta's move will delight plenty of its passengers and the promise of better Wi-Fi to come is even better news. But please set your phones on silent, while you’re texting. — Patrick WhyteDelta Air Lines will allow its customers to text for free while on board most of its aircraft as part of its multi-billion dollar investment in customer experience.

Hilton CEO Christopher Nassetta (left) said the chain plans to debut several new brands in coming years. Skift editor in chief Jason Clampet interviewed Nassetta at Skift Global Forum in New York City September 26, 2017. SkiftSkift Take: Hilton's plans for an urban micro-brand is certainly intriguing, but we'll have to wait until next year for more details. — Patrick WhyteHilton is planning to create several new hotel brandsin the coming years to fill space in its current portfolio.

Air France seeks to market to millennials with a new low-fare airline called Joon. JoonSkift Take: Air France might need a low-cost airline. That part makes sense. But why is it trying so hard to attract millennials? Just offer cheap fares and reasonable service, and young people will fly your airline.

The Skift Travel app features Research Reports (subscribers only), news, alerts, and more for iOS and Android smartphones. SkiftSkift Take: The new Skift Travel app, optimized for our paid Research subscribers, is now available. Free users get access to the last 24 hour of stories. — Jason ClampetIt is almost 2018 and we’re insanely excited launching a mobile app! Hear us out.

Oyo Rooms markets itself to young couples in India who may need to getaway from the family for a bit to find some private time. Oyo RoomsSkift Take: The 23-year old CEO of loss-generating hotel aggregator Oyo rooms has a business vision that has attracted total funding of $446 million to date. What could go wrong? Well .

Momondo Group CEO Hugo Burge at Skift Forum Europe in London on April 4, 2017. Burge left the company after the Priceline Group acquired it. SkiftSkift Take: Priceline's acquisition of Momondo strengthens Kayak in regions where it had less market share, including the UK, Nordics, and Russia. Keeping Momondo out of the hands of a rival, or a potential one, also protects the Kayak brand and Priceline as a whole.

SAS frequent flyers visit the airline's catering kitchen near Tokyo Narita Airport during a recent trip led by the airline's head chef, Peter Lawrance. Lawrance is the foreground center, with a beard. SASSkift Take: We're not surprised SAS frequent flyers love to take trips with the airline's head chef, though we're impressed the airline found 20 takers willing to spend $5,000 a piece (plus 100,000 points) for a five-day trip to Japan.

Founder Ajay Singh (right) presented a SpiceJet Boeing 737 model in June 2017 to U.S. Vice President Mike Pence to celebrate the airline's big deal with the American manufacturer. Earlier, President Trump had mentioned SpiceJet's large Boeing order to the press while meeting with Indian Prime Minister Narendra Modi. SpiceJetSkift Take: Unless you're obsessed with aviation, you probably don't know SpiceJet. But you might someday.