Viral marketing describes any strategy that encourages individuals to pass on a marketing message to others, creating the potential for exponential growth in the message's exposure and influence.
病毒式营销描述那些鼓励个体之间相互传递营销信息，从而通过信息的曝光和影响创造指数级增长的策略。
2
A concept in media planning stipulating that a certain amount of exposure to an advertising message is necessary before it is effective.
广告媒介策划中使用的概念。指受众必须有一定的广告暴露频率，广告才能发生效用。
3
This bound on message size is intended to limit exposure to DOS-style attacks.