Hey all, <br><br>Just found this piece on the Khan Academy with a more in-depth look on how their approach changed, plus a bunch of useful links:<br><a href="http://blog.mrmeyer.com/?p=13296">http://blog.mrmeyer.com/?p=13296</a><br>
<br><br>Have a fab day,<br>Andrea <br clear="all"><br>-- <br><a href="http://ke.linkedin.com/in/andreabohnstedt" target="_blank"><span style="font-family:verdana,sans-serif">Andrea Bohnstedt</span></a><br style="font-family:verdana,sans-serif">
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