The brain is a parallel processor, capable of handling multiple streams of information simultaneously.

永远不要成为房间里最聪明的人；如果你是，那么你进错了房间。

Listen to everyone in your company and figure out ways to get them talking. The folks on the front lines—the ones who actually talk to the customer—are the only ones who really know what's going on out there. You'd better find out what they know.

Without a good user experience, even the best business model is just talk.