"... the new focus on X, for the moment, suggests how much faith we’re putting — for our careers and our overall future — in the Y world. ..." Replace X with e

"... the new focus on X, for the moment, suggests how much faith we’re putting — for our careers and our overall future — in the Y world. ..." Replace X with engineering or book binding and Y with steam powered or printing and it looks similar to other eras of technological growth.