Presenting instruction in multiple media can be more effective than doing it through a single medium (such as text), but what is important is combining media effectively, not merely adding media.
Profs compete for students' attention - c/net
Some teachers relished these new challenges, using new tools like smartboards to create interactive multimedia presentations, while others seemed stunned that their old methods no longer effectively reached their students.
The productivity paradox - c/net
Productivity growth has slowed since 2004, however, and nobody is sure why. One theory that may explain declining productivity growth has been advanced by McKinsey consultants, who believe that companies have finally cut the non-complex transactional positions that benefit from productivity-stimulating technology. All that's left are complicated and nuanced jobs requiring experience, expertise, judgment, interaction, and collaboration--or tacit knowledge.
According to Basex, a research firm focusing on the knowledge economy, interruptions from e-mail, cell phones, instant messaging, text messaging, and blogs eat up nearly 30 percent of each day; on an annualized basis, this represents a loss of 28 billion hours for the entire U.S. workforce, or a $588 billion cost to the American economy.
emaki.net - Neil Cohn
Visual language theory
Requirements: Knowledge and Understanding Tyner Blain
Understanding of any topic comes from combining knowledge with context via associative thinking. We gain knowledge empirically. We gain context through organization of information.