Interesting idea, but I think it will be difficult for you to find people who can actually land jobs at those companies (and need you to help them do it).
I though of covering interview questions on my site http://www.learneroo.com , but I decided for now to focus on general learning (though there's a lot that's relevant for interviews too).
I though of covering interview questions on my site http://www.learneroo.com , but I decided for now to focus on general learning (though there's a lot that's relevant for interviews too).