Salman Khan helps justify all those new iPad purchases, releases Khan Academy iPad app | ZDNet | Apps and Widgets for any use, mostly for education and FREE | Scoop.it
From www.zdnet.com - March 14, 2012 5:25 PM
If one thing could justify the purchase of a new iPad (at least the $399 iPad 2) for students, it may very well be the Khan Academy app.