Does your Mac have a built-in iSight camera? Could it be turned on without you knowing so someone could be watching you?
Whenever a new version of Mac OS X is released, it is always debated whether it is an improvement over the previous version and whether it could slow down your machine, particularly if you are not running the latest hardware.
2009 – Apple is billing Mac OS X 10.6 Snow Leopard as its first fully 64-bit operating system, but this isn’t the first time the Mac OS has changed it bitness.
Mac OS X 10.5 Leopard, released on October 26, 2007, was the biggest change to Mac OS X since Apple first released OS X 10.0 in March 2001. For the first time, a version of OS X was certified as Unix, and the new unified appearance makes Leopard friendlier and less confusing for users.