Skyscanner is going against the grain in now supporting a hotel-search app separate from its flight-search app. Consider this an opening shot for Skyscanner in hotels, and one that will help the company collect enough data about plotting its next move.
There's a market opportunity in meetings and events -- a $500 billion one, according to DoubleDutch. Conferences need apps and data, and that's where DoubleDutch enters the arena.
Groupon's launch of tonight-only hotel deals in its mobile apps isn't exactly the "shot heard 'round the world," but Groupon has the audience and scale to do some damage.
Bridging the gap between B2B and B2C is important for startups who want to build a brand while attracting enough customers to make money and build a viable business.
For hotels that don't have the resources to develop their own apps, the Alice hotel app and concierge service, and others like it, could be a useful solution for making concierge services more mobile-oriented.
Every travel brand engaged in mobile -- and that should be all of them -- should read about Booking.com's big-picture vision for mobile. Hipmunk and Expedia are also going down this road, albeit to a lesser degree.