Since your Android handset-owning friends and colleagues can't have all the phone, Layar has finally made the leap to iPhone. It's now available in the iTunes app store for the enticing price of nada, with its own third-party ecosystem to boot -- only iPhone 3GS customers need apply, though, since without the magnetometer this is kind of a wash. We've only spent a few minutes with the new version, but it seems like much of our initial impressions from August seem to hold true, for better and for worse. But don't take our word for it, download