A researcher at the University of Illinois has been looking at Wikipedia as a data resource, concentrating on the connections between cities around the globe over time.

Big Data is moving up a classic modern curve, from discovery to science, and on to engineering and mass use. We are not as far along as some argue, but businesses are being built that will make a revolution.

Privacy is always a moving target. In a networked world, it moves in lots of directions. A well-known Internet researcher warns, “Regulation is coming.”