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a good subject, a poor way to explore as it is a waste of time to open each picture... powerpoint or pdf are eally a good & appreciate way to explain...
I am running a small services company : improve organisation & work efficiency (www.tafa.biz) and I am always intertested to learn & share , I really try to open understant, next slide... a waste of time compared to a small text with link to explanations...
best regards.