“Students need to be effective oral, written and visual communicators” (revised NZC, English, p. 18) and “they recognise how choices of language, symbol and text affect people’s understanding” (Using Language, Symbols and Texts KC, p. 12)
With so many of us using PowerPoint presentations these days, how can we make 
sure that they (and we!) use this medium for maximum value? Are we still using PowerPoint just as we did a few years ago?
Have a look at Ewan McIntosh’s recent post, ‘Why would you use words on the screen when they do just fine in your mouth?’ for a fresh take on the what PowerPoint should look like in 2008: http://edu.blogs.com/edublogs/2008/06/why-would-you-u.html
karen spencer 