Web design encompasses many different skills and disciplines in the production and maintenance of websites.
It is a range of customer services to assist customers in making cost effective and correct use of a product.
搜索引擎技术可以指标化，而人性不可以，知识结构、思维模式、行为模式、语言逻辑、搜索习惯……人性的变量，是我们不变的研究对象
Branding is a set of marketing and communication methods that help to distinguish a company or products from competitors.