When worlds collide: reconciling the research, marketplace, and application views of hypertext

What are the motivations and driving forces of each community? Is the vision of Bush, Nelson, and Engelbart shared in any way among the three? Is research transitioning into “off the shelf” hypertext programs and industrial applications? How is the marketplace responding to large-scale application requirements? Is research related to market pressures and application needs? Are the appropriate building blocks and resources in place for endeavors in each of the three realms to succeed?