I found this article, which might be of interest to many on this forum.
http://journalistontherun.com/2017/04/30/best-travel-startups-2017/
I'm particularly intrigued by Easyterra and Backlane, which offer services people are frequently asking for advice about on this this forum: car rentals and hiring private drivers. But I can see where many of these tools could be valuable for lots of folks.
Note there are also links to her lists from the last two years. Lots of good stuff here!