A good brain worker...travel quiz!
Traveler IQ Challenge
I discovered that my 1970's east coast education left me well knowledgeable of european geography and the soviet republics, but pretty weak on southeast asia. And of course most of the african countries have changed considerably since then.
Pretty good brain stimulator though...
Be fearful when others are greedy, and greedy when others are fearful. Just another form of "buy low, sell high" for those who have trouble with things. This rule is not universal. Do not buy a 1973 Pinto because everyone else is afraid of it.