Guest post by Geoffrey Moore, author of "Crossing the Chasm" and "Escape Velocity." Geoffrey Moore, author of "Crossing the Chasm" and "Escape Velocity" We have been talking for some time now about how enterprise IT is increasingly focusing on Systems of Engagement to complement what has traditionally been a Systems of Record function. Systems of Record came to the fore globally with the rise of client-server ERP systems running on top of the Internet, complemented by the Worldwide Web. Systems of Engagement, by contrast, came into being in the consumer space, driven to scale by Google, Apple, Facebook, and Amazon. In so doing consumer IT as a sector funded massive build-outs in both cloud and mobile computing. Now the enterprise has the opportunity to cash in on both at little to no expense to itself. But there is a price to pay. Systems of engagement represent a second architecture, one.