有一定上网经验的人都知道,特定的站点对于特定的用户的注意力相对“锁定”(lock-in),使用搜索引擎的次数随上网时间的增多而逐渐降低(通常是直奔某个“老地方”),这就如同只有初到一地的人才需要经常查地图,久居一个城市的人肯定不会在出门之前总是先查地图。即使使用搜索引擎,每个用户也会随知识类型、文化素养、个人兴趣的不同,而 Someone with some online experience knows that a particular site is relatively “lock-in” to a particular user’s attention, and the number of times a search engine is used decreases as time goes on (usually straight to a “ Old place ”), which is like having only first-come-first-served people frequently check the map and people living in a city for sure do not always check the map before going out. Even with the use of search engines, each user will vary with different types of knowledge, cultural literacy, and personal interests,