Bill Gates answered this a long time ago and the lean body of knowledge addresses this as well:
Technology is absolutely amazing for streamlining a process through automation and enforcing a good process through feedback systems. Too often when people talk about technology integration they are mainly thinking about how to get one system to talk to another. We have deep expertise in getting technology systems talking to each other; often succeeding where others claim it cannot be done.
However with that said the most complicated integrations are aligning the people and the workflows together into a truly effective system.