SayTo是针对站内访客即时聊天的社交类程序组件。该组件主要实现同时访问网站用户间的交流，可以相互发表观点，即时显示文字信息，无需页面刷新，真正做到了站内实时互动。该产品提供了非常开放的接口功能，站长可以根据实际需求，在组件基础上通过站点用户数据实现对用户聊天的灵活控制，以及创新功能的二次开发。-SayTo visitors for the station' s social class instant messaging program components. The main components of simultaneous communication between users visit the site, can be mutually express their views, instant display text information without page refresh, truly a real-time interactive stations. The product provides a very open interface functions, owners can according to actual demand, on the basis of the component user data through the site user chat achieve flexible control, and innovative features of secondary development.