Wirelessly posted (iPhone: Mozilla/5.0 (iPhone; U; CPU iPhone OS 2_2 like Mac OS X; en-us) AppleWebKit/525.18.1 (KHTML, like Gecko) Version/3.1.1 Mobile/5G77 Safari/525.20)
It should have grounded but since it did cause the screen to go dark and the trackpad stopped working I would say that there is a possibility of it causing damage. I don't think that should happen with a correctly grounded system. Computers are usually shielded from static discharges.