Taking integration too far: Shared Search in OS X -- "The common clipboard is arguably one of the most important concepts to give rise to the non-modal computer (that can run several applications at once). Copy in one app, paste in another. It's great, and it's essential. Oddly, it looks like Apple's trying to replicate this design pattern in the 'search' widget that has become common in the iApps (iTunes, Mail, Safari, etc.)."