What Type of Degree Is Best for an SEO or SEM?

A HighRankings Forum thread asks which type of degree should a person looking to go into SEO or SEM pursue?

The logical answers, at least to me, would be either marketing, programming, maybe math or statistics. Copy editors might want to get an English degree. But core SEOs or SEMs, what would be the best degree for them?

Here is a poll, please vote on it, and you can select multiple:

Forum discussion at HighRankings Forum.