Apple has released iTunes 11.0.5, a small update with just one noted bug fix: squashing a bug that caused iTunes in the Cloud to download “unexpected” (i.e., wrong) items. Oops. It’s available as a direct download from Apple’s iTunes Web page (187 MB), via Software Update on systems prior to OS X 10.8 Mountain Lion, or via the Mac App Store on Mountain Lion.
Viewing Wi-Fi Details in Snow Leopard
In Snow Leopard, hold down the Option key before clicking the AirPort menu. Doing so reveals additional technical details including which standards, speeds, and frequencies you're using to connect, as well as what's in use by other networks. With the Option key held down and with a network already joined, the AirPort menu reveals seven pieces of information: the PHY Mode, the MAC (Media Access Control) address, the channel and band in use, the security method that's in use, the RSSI (Received Signal Strength Indication) measurement, the transmit rate, and the MCS Index. In Leopard, some, but not all, of these details are revealed by Option-clicking the AirPort menu.
Check out the Take Control ebooks that expand on the topic in this article:
Set up short abbreviations which expand to larger bits of text,
such as "Tx" for "TextExpander". With the new custom keyboard,
you can expand abbreviations in any app, including Safari and