输入法是免费的，开发和升级需要很大的成本，它又靠什么来赚钱呢
根据相关数据显示，排名前两位的输入法App，分别有5.6亿、3.8亿用户，总数量超过了9亿，可见其重要性。如2010年推出的百度输入法，可以横跨windows、mac、android、ios等平台，功能强大，却完全免费。
那问题来了，输入法有几亿用户，却是免费的，那它怎么盈利呢？
首先，输入法是战略性产品，本身不需要盈利。
对于输入法这种工具来说，效率最重要，其价值在于获取更多用户、提升品牌知名度、辅助其他产品。有人把它形容成三级火箭：输入法是一级火箭，浏览器是二级火箭，搜索是三级火箭，最后的发射来自前两级火箭的助推。输入法或许能成为搜索的入口之一，甚至不用打开浏览器，直接用语音就能搜索。
其次，输入法有助于了解用户的习惯和需要。
云输入法的背后，是对用户输入习惯的采集和学习，如用户每天都输入了什么，这有助于提升搜索引擎，对精准广告推送也很有用。举个例子，你要买数码相机，输入了“防红眼”、“防抖动”、“数码相机”这样的词汇。输入法就知道了用户关心哪些指标，统计之后，可能是像素、变焦、防红眼、防抖动、轻便等，这个数据对数码相机厂商也很有用。
网络时代，得用户者得天下，其实想盈利也很容易。
输入法可以通过新闻弹窗、广告、表情包、词库等方式来盈利。例如PC上开机后的新闻弹窗，就可能是某个输入法推送的。输入法表情包也可以是盈利点，一方面可以提供一些收费的表情包，另一方面，如果有动漫IP希望通过推广，也可以对商家进行收费。
云词库出现以后，让拼音输入法进入到一个新的时代。
一开始的拼音输入法，没有现在这么智能。直到2006年，某输入法诞生之后，才有了整句输入、联想输入、联网词库等功能，拼音输入速度有了质的飞跃。并且，各家输入法都在提升用户体验上下功夫，如培养个性化词库，让输入法了解用户的输入习惯，下次再输入就会变得很快捷。所以，如果海量用户是盈利的前提的话，那“极致的用户体验”就是海量用户的前提。
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