Every interaction comes with a cost. Not in cash money, but in something worth even more: the attention of the person you’re interacting with. Waste it—with spam, with a worthless offer, with a lack of preparation, and yes, with nervous dissembling, then you are unlikely to get another chance.
— http://sethgodin.typepad.com/seths_blog/2011/12/getting-serious-about-the-attention-economy.html
