This is the kind of innovative hack that I love to see invented but generally dislike actually using in real life.<p>Ultimately, it's where the line is drawn between the iPhone and something like Android: The latter is infinitely hackable and open to elegant and kludgy solutions alike; the former requires everything to work within strict boundaries to keep the user experience as seamless as possible.<p>Both have their benefits, a tradeoff of flexibility and stability. Which is why it's good that both are healthily competing in the marketplace.