A viral infection is always considered communicable, that is why anybody who has it is well advised to keep himself away from other people, else he can infect others with the virus. In the field of online marketing, viral means the same thing — communicable. The only difference is that in marketing, viral is viewed in a positive way. When you consider using viral marketing personal video, you can be almost certain that your video will spread in more or less the same manner as a virus infection.

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