Update: Find my Mac is live as well. All the details here.
Following iCloud.com’s opening in beta for developers earlier this week, Apple has hit the on switch for their revamped Find my iPhone page within iCloud. The new Find my iPhone web application is only live for developers until the official iCloud launch this fall and offers the same Find my iPhone features that users are accustomed to in the MobileMe version. The main change in the iCloud version is an all new user interface that features an old-style map and iOS-like popover menus.