It's the home button, stupid
> Actually, multitasking is essential to one of the major features that Apple has been touting on the iPad: [iWork](http://www.macworld.com/article/146274/2010/02/ipad_multitasking.html?lsrc=rss_main/article/145941/2010/01/iwork_ipad.html). Imagine trying to make a Keynote presentation without being able to access other files or being able to check on the Internet for data, citations or other information. Sure, there is reported to be a shared folder on the iPad, which all applications will be able to access. So you…