NFL 100%!!! there's almost no better excitement than watchin' your team take the field...especially when you score season tickets at the last minute. 'Skins fans represent.
who cares about the "world". this is a sport that was made great by this country. how could you not pick a sport where you have an option of slammin' the rock down the other teams throat or pickin' them apart with with a well planned/executed aerial attacks?
I personally don't feel like it is a trend. With gas prices on the rise with no signs of relief more people will be relying on computers and more specifically online networking. That may be comparing apples to oranges but the demand for these types of jobs will likely stay steady or increase. Companies and small businesses will have to focus more attention to online marketing.
In case your wondering, I got the idea for this rivalry after reading a very interesting post on mashable. You can find it here: http://mashable.com/2008/08/04/social-media-jobs/