The next big thing excited travel technology enthusiasts when Concur in 2012 invested in Evature, provider of natural-language search capabilities. The technology hasn't become, in PhoCusWright's words at the time, a "game-changing travel innovation." But there are signs it's beginning to move from Gartner's "peak of inflated expectations" through the trough of disillusionment.
For one thing, investment continues to flow into the concept. A new . . .