Technologists talk about "ecosystems" but they are not thinking ecologically!
Digital Identity frameworks often fail when they inadvertently change how businesses relate to their customers. New digital technology can provoke a sort of ‘immune response’ from established businesses if we don’t account for how identities have evolved to survive specific risks in real world business system niches.
Big Data needs "Big Privacy". This has to be much more than "Privacy by Design writ large" as some have called it, because Big Data is qualitatively as well as quantitatively different from what data scientists did before. To me "Big Privacy" is grandly optimistic, and it implies a challenge to go beyond regular privacy mechanisms.