I'm about to go on a 12 hours flight, so I thought it could be nice to have some games ready on my laptop.

But it's not really fun playing some of those with the built in track pad.

How much of a douche will I be if I bring a mouse (wired) with me?

I only have a clicky mouse and am wondering how much does it really noticeable over the static loudness of air travel. (I know I would probably hate the guy next to me using that if it's noticeable)

*Bonus Question*: Does classes make a difference? (i.e. People in Business class are more likely to be annoyed)