[Kombisaurus]

The last wedding I shot had a guest who shot the whole thing on an iPad. It was odd, and seemed a bit selfish because when he held it up it blocked a lot more of the view for people behind him than a normal camera would, and holding up a big glowing 10" screen is also quite a distraction in a dimly-lit reception hall.
Overall it seemed a bit rude to others, like somebody who talks loudly during a movie.

And at the end of the day, at least with an iPad2 (which I think this was) the video is rubbish.