A spate of problems has cropped up with rogue SSL/TLS certificates that have the potential to subvert the integrity of encrypted Internet communications. Over at Macworld, Glenn Fleishman explains the situation, and offers advice to Mac OS X users on how to put up their guard for the system and browsers. follow link
Open Files with App Switcher
Using the Application Switcher to open files can sometimes be faster than hunting for an Application's window or searching through a jam packed Dock for an Application's icon. First grab your file, press Command-Tab, and then drop the file onto the desired application's icon to open it within that program.
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Secure Your Mac from Certificate Flaws