How to use Twitter to effect Social Change (Video)

"It takes many streams to create a river" - great quote from this video. I found this 3 minute video covers all the basics of Twitter good practice, especially for those who are hoping to influence social change through their use of the technology.  It was a bit quick and I had to rerun it to make sure I had all the info.

An introduction to Activity Theory

I'm finding Activity Theory very useful for thinking about large scale change. Traditional quality improvement, implementation science, dissemination science, organisational development and the like, are all useful. However, every theory has its limitations and although Activity Theory isn't perfect, it does provide some thought-provoking challenges.

There's a good 9 minute introduction, though you do need to be in a quiet place and be concentrating...