A viral loop is very hard to execute, because your product or your content has to be extremely gripping. And people signing up need to feel like the product is going to be better if their friends are on it with them, yet there are just very few scenarios where that's actually true,” he says. “Pinterest tried to make that happen at first, but as... See more

Google users found these boards and became Pinterest users who created boards of their own.

Content loops involve publishing and sharing media, which is then shared by the business, its users or partners. That action triggers signups, activations and user engagement, which leads to more sharing of the media. This completes the “loop” or cycle.