New York - Spotnana officials have been calling it the AWS of travel, but the reference only gets you so far outside tech and investment circles. Concepts like open stack and microservices help a little. In corporate travel, though, people want to know whether you are attempting to be a GDS, an OBT, a TMC or any number of other acronyms. Chaired and co-owned by Concur co-founder Steve Singh, Spotnana appears to be digging deeper than some other new entrants in business travel. It's going past the interface to tackle complex organizational challenges that inhibit . . .