Content can go viral when one takes care of the following things:

1. The emotional value of the content.
2. Arousal of positivity or excitement in the reader.
3. An insider culture, a social currency that is understood by a subset of people.
4. A memory-inducing trigger, which helps one remember the core message.
5. Practicality and usefulness of the information, making it shareworthy.
6. Good quality content, packaged in a great story, making it compelling to view and share.