Dennis D. McDonald ( is an independent consultant located in Alexandria Virginia. His services and capabilities are described here. Application areas include project, program, and data management; market assessment, digital strategy, and program planning; change and content management; social media; and, technology adoption. Follow him on Google+. He also publishes on and aNewDomain.

Past Month's Website Visits by Operating System

By Dennis D. McDonald

This chart shows the distribution of the past month’s visits to Dennis McDonald’s Web Site, by operating system, as of January 18, 2011:

Copyright (c) 2011 by Dennis D. McDonald

Some Advice on Doing Personal Medical Research

Using Roku: Week 1

Using Roku: Week 1