If you had today marked off on your Lion release day lottery card, congratulations! Apple has finally released OS X 10.7 Lion.
Before you do anything else, make sure you have a backup of your Mac; Time Machine is good, and adding a bootable clone is even better. You may have no problems at all with your upgrade, but far better to be safe than sorry.
Head on over to the Mac App Store to pick up your $29 upgrade today. Lion weighs in with a fairly hefty multi-gigabyte download, so allocate time for the e-only distribution to
