How To Use the “Seven Deadly Sins” to Turn Visitors into Customers
smashingmagazine.com
smashingmagazine.com
That said, my strong preference is to highlight customers where we personally know someone there or have received very positive feedback (just in case someone wants a specific reference).
For everyone else, these are great rational evolutionary strategies.
eg wanting to be number 1 so you can ensure good genes for your children, sloth to conserve energy, gluttony to store up excess for a rainy day, etc.