Apple has released iTunes 11.1.2 with support for the just-released OS X 10.9 Mavericks (see “Apple Releases OS X 10.9 Mavericks for Free,” 22 October 2013). The new version also offers improved performance and stability while also adding Arabic and Hebrew language support. It’s available as a direct download from Apple’s iTunes Web page or via Software Update. (Free, 221 MB)
Option-Click AirPort Menu for Network Details
If you hold down the Option key while clicking the AirPort menu in Mac OS X 10.5 Leopard, you'll see not just the names of nearby Wi-Fi networks, but additional details about the selected network. Details include the MAC address of the network, the channel used by the base station, the signal strength (a negative number; the closer to zero it is, the stronger the signal), and the transmit rate in megabits per second showing actual network throughput. If you hover the cursor over the name of a network to which you're not connected, a little yellow pop-up shows the signal strength and type of encryption.
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Didn't notice a comment about this recent iTunes change - removal of Wifi & local sync of contacts & calendar data between desktop and iEverything Else (iphone, ipads, ipods, etc). After updating iTunes to 11.1.2 it seems local sync disappeared for Mac users (still apparently there for Windows versions).
Lots of chatter on the boards - why is Apple so adamant about getting all your contact data and calendar data onto their servers.