病毒式营销

VIRAL MARKETING

在日常的上网冲浪中，我们其实遇到过很多病毒式营销。比如电子邮箱在发信时系统会自动生成一段该邮箱的广告加在你邮件的底部。当收件人看到你的邮件时也就看到了邮箱广告。病毒式营销具有深入肌体、繁殖快、传播迅速广泛的特点，是网上常用的一种营销方式。

Have you Seen any funny / interesting Video clips lately？ What were they of？. Have you ever sent a friend the link to a video？ What was it？ Why did you do it？ How effective do you think viral marketina is？ What are the pros and cons of viral marketinq？ How does it compare to other forms of marketing I advertising？