don't be evil...
In fact, the site divides its precepts into categories corresponding to the "7 deadly sins" (like star copywriter Chris Haddad advises), and each of the categories spells out principles and examples.
Reminds me of the book "50 Scientifically Proven Ways to Be Persuasive," if you're familiar with that one...
Good stuff!
57 persuasive design patterns showcasing how companies manipulate us - Evil by Design: Interaction design to lead us into temptation
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