Some interesting snippets of information are surfacing about OSX Lion Internet recovery and installing at an Apple store… Hidden in the explanations is mention of the fact that you will be downloading digitally signed copies of the installer… Signed to link them to your app store ID:
Example article: http://www.phototechtopia.com/?p=812
Apparently your App Store downloaded copy will be digitally signed to your Apple ID.
You shouldn’t be ‘sharing’ anyway, especially considering the low price, but if you were contemplating being charitable… Beware… Apple can track the copy back to you.
So far I don’t have details of where exactly the signature is, and how easily it may be scrubbed…but either way this is going to be interesting to see this unfold.