Once you've successfully argued that content owners can't project their own preferences onto the target audience, you're left with a question: How should you judge usability?

一旦你能够成功的说服内容拥有者，他们不能把他们自己的偏好投射到目标用户上，你就只剩下了一个问题需要解决：你如何判断可用性？