Australia, Britain and Canada are outcompeting the U.S. for skilled people by using a point system based on immigrants' education and ability to invest or start companies.

WSJ: Crovitz: The Economics of Immigration

Graduates already paid more tax through income tax, insisted Scottish Liberal Democrat education spokeswoman Margaret Smith, who said access to university education should be based on "ability to learn, not ability to pay".

BBC: Higher education debate

This includes organizations using e-commerce, transaction based processing on the internet, and even online education, where the ability to deliver courses online is critical.

FORBES: DDoS Defense: Preventing business disruption