On the Mac for instance, to sync calendars and contacts to your non-Apple phone, you use iSync. Developers can write their own sync plugins for their apps or new phones.
With an Apple Phone you use iTunes and Apple is the only one who can write plugins. I think the difference is that Apple's product development is RD - they learn and innovate constantly. Also, Apple has never had a problem setting a long-term goal (OSX) and working towards it when others tend to follow trends (Microsoft WP7). It has to be expensive to bring so many products to market.
Advanced functions of the new Nikon D3 and D such as Viewer for preview and selection of images prior to transfer to a computer, Liveview function and Picture Control System are supported. Most settings of Nikon digital SLRs, that are connected via USB cable, such as exposure mode, shutter speed and aperture can be controlled remotely from a computer. Wired or wireless LAN is also available when using a wireless transmitter. In addition to direct transfer of images from a camera to a computer, all procedures from shooting to saving images are smoothly processed. Enhanced viewer function enables thumbnail display of images stored in a computer.