THE most ambitious effort to drag US schools into the digital age is in danger of being derailed by hacker students, disgruntled teachers and tens of millions of dollars in unforeseen costs. Within days, however, more than 300 teenagers from three of the first high schools to receive the iPads found a way to bypass pre-installed security measures. Instead of studying, they were accessing social media websites such as YouTube, Twitter and Facebook

http://www.theaustralian.com.au/news/world/kids-shoot-a-hole-in-la-ipad-plan/story-fnb64oi6-1226767310015#