TGIF, #9Nation!

• What the heck is the CrossFit Open and why is everyone talking about it?
• What is it about a coffee shop that makes you more productive? Hint: It is not just the caffeine...
• Don't fall for "portion distortion". Here are eight ways to avoid the pitfalls of a supersized world.
• Club soda, seltzer water, mineral water. What the heck is the difference between these bubbly water options anyways?
• A better way to organize your tasks for better productivity: Organize by mental state rather than by type. We're going to experiment with this!