One of my Twitter contacts just Tweeted this. If you live in the normal world, you can get it as an app for your iPhone. If you live in New Zealand where we are afraid of such high fallutin' technology mumbo jumbo, you can just use it on the net so that you don't have to look after random flash drives. Basically it means you can write or blog on your work computer and not have to email it to yourself, which is what I tend to do.
Check it out here.