The last big wave of technology change involved a slew of social, mobile and cloud capabilities that altered a number of HR processes. Mobile technologies caused all manners of recruiting, interviewing, travel expense reporting, time tracking and more to change. Employees and job seekers no longer wanted to be tethered to old-fashioned desktop computers. Smartphones and tablets were now the preferred method of contact. Social technology triggered big changes, too. LinkedIn, personal web pages and Facebook became go-to locations for recruiters to find passive job seekers. Web spiders and massive in-memory database technology could now do in milliseconds what old-fashioned recruiters needed weeks to complete.   The digital exhaust people created with cloud, mobile and social technologies has been the feedstock for much of the HR technology changes the last ten years. Cloud was the transport mechanism for all of this data and much of the data ended up in big data stores.  Now ...