Did Yahoo! have "insider information" about iOS7?

The recently released Yahoo Weather app is an amazingly good application; it signifies to me at least that Yahoo is back on track. But the "layered" application with an unfocused background seems awfully familiar to Apple's recently announced iOS7.

Here's an image of the Yahoo Weather app. Here's an image of iOS7

Notice the similarities. Maybe it's just coincidence, but the design of the Yahoo Weather app looks strikingly forward looking.