communications industry structure, including mass media, advertising, and telephone companies
The U.S. Census Bureau’s Service Annual Survey is a great source of data on the information and communications industries. I’ve put together a dataset based on this source to make the data for 1998 to 2007 easier to use. The Service Annual Surveys cover various categories of revenue, expenditure, and inventories. The data are collected … Continue reading U.S. information and communications industries revenue, 1998-2007
The evolution of primate brains indicates that vocal communication evolved with sociality and is associated with brain-based sex differences. … Read the post females lead in social communication
In his recent presentation, David Clark opined that for a typical big U.S. local access internet service provider (ISP), e.g. Verizon or Comcast, network usage costs might be $0.05 to $0.10 per gigabyte (GB). This is a usage cost that has nothing to do with the peak rate. For a rural ISP such as a … Continue reading some data points on network cost
Two points on digital identity and privacy from David Clark’s recent presentation: Continuity-based familiarity is an identity structure that doesn’t require a third-party authority. Communication takes place using technology that gives each communicative party a unique source signature in the particular communicative relationship, but not necessarily a global identification. Parties recognize each other’s identities through … Continue reading insights on digital identity
Communicative style varies with circumstances and purposes. Over millions of years, primate vocal communication co-evolved with sociality among family and friends. Writing, in contrast, developed about 5500 years ago. Prior to the last three centuries, use of writing has been almost wholly limited to a small, elite group, and writing has been used primarily for … Continue reading long-run trend in writing style