At least one other: http://blogs.guardian.co.uk/inside/authors/matt_mcalister/index.html http://blogs.guardian.co.uk/inside/authors/matt_mcalister/in... (altho

At least one other: http://blogs.guardian.co.uk/inside/authors/matt_mcalister/index.html http://blogs.guardian.co.uk/inside/authors/matt_mcalister/in... (although theirs seems to have no published APIs or documentation that I can find, yet)