Recommended for iMac models released in late September 2013 (see “Apple Updates iMac with Faster CPUs and 802.11ac Wi-Fi,” 24 September 2013), Apple has issued iMac 10.8.5 Supplemental Update 1.0 for those models with an Nvidia GeForce GT 750M graphics processor running OS X 10.8.5 Mountain Lion. The update fixes two bugs: one that caused external drives to eject after the iMac goes to sleep and another that prevented certain USB Bluetooth adapters from working. (Free update, 17.1 MB)
Shorten URLs in TextExpander
If your Twitter client doesn't automatically shorten URLs for you, you can use TextExpander to shrink those long links to tweetable lengths. First, add the Internet Productivity group by choosing File > Add Predefined Group > Internet Productivity Snippets. Then, to shorten a URL using a service like TinyURL, copy the destination URL to the clipboard, and type the abbreviation
/tinyurl to insert the shortened URL at the insertion point.