After months of rumors and speculation, Apple revealed the long-awaited iCloud last week. The free service replaces MobileMe for $99/year, and, considering of all the new features, it's expected to be quite popular.
iCloud is available to all Apple account holders, which Apple estimates to be in the 200 million range. So how can iCloud withstand all that traffic? Aside from their massive NC data center and 12 petabyte digital locker, Apple appears to be using rival cloud services...