Mindmeister has a fine chart illustrating the main points of Dale Carnegie’s How to Win Friends and Influence People.
ExinFM has a ridiculously complete resource of Excel worksheets for every financial aspect of running a company.
Arachnoid breaks down how some people see meaning in random events–and are misled by stock “experts.”
The USA National Gas Price Heat Map is a handy resource if you drive long distances.
Just Sell is a useful and complete blog that helps you improve your sales acumen.