Why WordPress?

Ease of use
Free and reliable
No partitioned content
Files can be linked from any server

Baltimore Community College uses it for video tutorials for supplementary content. They use screen capture software (Camtasia) for tutorial. Samson Go Mic for audio capture. Use H.264 for video compression. Use IMA 4:1 and mono for audio. See http://pixelrich.Wordpress.com and adimfaculty.Wordpress.com.