By creating an ad hoc network, the XDJ-AERO can sync with up to four Wi-Fi enabled devices at once, without the need for any extra equipment.

ENGADGET: Pioneer's new WiFi-enabled XDJ-AERO controller says goodbye wires, hello dancefloor (video)

Whenever the Magellan SmartGPS is in Wi-Fi range, the device will automatically sync and start pre-loading data onto the SmartGPS device.

ENGADGET: Magellan's smartGPS navigator has built-in Yelp reviews, syncs with your phone (video)

Update: Facebook have reached out to point out that when on a mobile data connection, smaller versions of the photos are uploaded, and the option to sync only over Wi-Fi is available in the settings of the application.

FORBES: Facebook's Photo Sync Could Cost Mobile Users A Lot Of Money