Although it is coy about details, the company says it will use software to filter out objectionable material and human reviewers to decide borderline cases.

ECONOMIST: Stop signs on the web

They can only appeal over papers where the child would be awarded a higher level - in other words, they can only appeal on borderline cases.

BBC: Hundreds of heads report concerns over Sats marks

The hope is to flag borderline cases or high-risk patients not spotted by existing tests--like a lean, 40-year-old nonsmoker with an innate vulnerability to heart attack--and target these patients for drugs or lifestyle changes.

FORBES: The Suggestive Gene