If you were at the Gartner Identity & Access Management Summit in London this week, you already know: It wasn’t about the latest new acronym. It was about making identity work in the real world. Between packed sessions, hallway chats, and some very lively interop demos, there was a clear shift in tone. Identity is recognized as a strategic foundation. And everyone, analysts to system integrators to large enterprises, seems to agree we need to rethink the way we’re doing it.