Pre-interview nerves

I'm rehearsing potential answers to potential questions like 'why do you want to work with us?' and 'why did you leave your last job'. On my way, feeling ill-prepared. Wish I knew more about LinkedIn, selling on eBay, the merits of the tablet compared with the iPad, especially with gen 2 to be released this month. Wish I'd contacted more appropriate referrees. Wish I'd changed my Facebook photo, had more friends, had fewer friends, had more or less prominent friends. But I'm anticipating learning about a great organisation, new opportunities, steep learning curves, a whole new team, challenges, fun... ooops time to go