If we want a date for the birth of the world wide web (www), considered as an available and useful tool for journalism, we are probably best off fixing on March 1989, the month when Tim Berners-Lee, a computer scientist working for the European research organization CERN, wrote up his proposal for Hypertext Transfer Protocol (http), something that would which allow not just the geniuses at CERN but … anybody … to use a browser and set up a web server, and get a website started. It took a while yet for a lot of institutions and then individuals around the world to catch on. When one thinks about the disruptive impact of Berners-Lee’s innovation upon mass media, there is a temptation to think of this as a one-time-only bomb. In the days of old there was the world we think of in connection with Clark and Lois in the newsroom of the Daily Planet as depicted in the black-and-white television show of yore: old-style manual typewriters, landline telephones, and coffee pots -- and in another b...