Click on the hyperlinks highlighted in the infographic for more information.
Note: If you have a small office, you may want to consider a video camera with a wide angle lens. That was necessary in my office. The Sony Handycam has a wider angle lens than most. Older models can be picked up on ebay quite reasonably. Comments and suggestions welcome. Enjoy!
3/19/2016. Here is the new and improved version.
4/20/2016. Version 3.0 with corrections from our friends at DBT-LBC!