it's also a good idea to use little snitch so if the apps try to call home you can block it, but technically blocking the hosts should prevent that, so little snitch shouldn't even be necessary.
& little snitch is kind of annoying cuz it asks for your permission for EVERYTHING, but at the same time i guess it's still better to be safe than sorry: http://www.obdev.at/products/littlesnitch/index.html
& little snitch is kind of annoying cuz it asks for your permission for EVERYTHING, but at the same time i guess it's still better to be safe than sorry: http://www.obdev.at/products/littlesnitch/index.html