(Self-described) Movie buffs: Obama - 70, Romney - 27, Others - 3
People who eat at Chick-Fil-A more than once a week: Romney - 65, Obama - 33, Others - 2
Breaking Bad fans: Obama - 55, Romney - 41, Others - 4
Employees of polling companies : Obama - 58, Romney - 40, Others - 2
People who post on political/electoral forums: Obama - 52, Romney - 38, Others - 10
Southern white evangelical Christian heterosexual males age 60 and over: Romney - 85, Obama - 13, Others - 2
People whose favorite news network is CNN: Obama - 60, Romney - 38, Others - 2
People who voted for George McGovern in 1972: Obama - 70, Romney - 27, Others - 3
Xbox Live members: Obama - 60, Romney - 34, Others - 6
LaRouchies: Obama - 20, Romney - 30, Others - 50
People who watch ESPN on a daily basis: Romney - 60, Obama - 38, Others - 2
Ivy League professors: Obama - 75, Romney - 22, Others - 3
People who Tweet at least ten times a day: Obama - 62, Romney - 35, Others - 3
What makes you think Xbox Live members would favour Obama and Democrats? If anything, you'd see a lot of Other votes, particularly for Libertarians and Greens.