links for 2011-09-15

George Siemens argues that HE needs to focus where it can add value and that is not in doing anything that can be duplicated at little or no cost, including content. Human input cannot be duplicated cheaply and is where value can be added.

Useful tool to enhance YouTube materials for class use by adding annotations and other features without changing the original files.

From clearing away clutter to remixing, there are free tools to do the job.