His take on spam and reputation managment in these days of HIPPA and privacy concerns is more pertinent than anything I've read in the medical journals.
We're going to have to evolve new systems of defense, trust relationships, identity management and reputation management. Developing these systems will be a major social challenge over the next few decades. In the meantime, encourage your parents, and your vulnerable family members, to consult about their financial decisions. From: Gordon's Notes: All the vulnerable people: eFraud, aging and special needs