encyclo - 5:54 pm on Jul 23, 2006 (gmt 0) [out-law.com...]
Another more detailed article about the service with interview quotes from T.V. Raman:
Raman said: "We don't test against WCAG. We think in the spirit of those guidelines, but we don't test against them verbatim." Instead he endeavoured to identify "what works for the end-user," describing a process of "experimentation, training and machine learning. (...) We look for a set of signals, do some numbers, see what comes out..."