A five minute call replaces the time it takes to read and reply to the original email and read and reply to their reply... or replies. And I no longer spend 20+ minutes crafting the perfect email - no need to.
If we care about the average working American, then Wal-Mart matters. A lot.
Money is a short-term result that incentivizes short-term decision making.
The cost of leadership is self-interest.
I love science fiction - always have.
Believing that your competition is stronger and better than you pushes you to better yourselves.