I think there should be alot of people done by then. Im at 73% I quit every once and a while and wait for people to catch up and pass me alot so that i get fast speed downloading.
It would be funny if in the end the dmg didnt work.
The macs trackpad does not have two buttons. No matter where you place to fingers on the trackpad it will still function the same way.
Edit: whoops sorta misread the question, i guess it could be plausable.