The ability for a concept to be shared online in a viral way. Has to meet several requirements such as: has to be short, has to communicate an entire idea, has to resonate with target audience.
The alternate name of the Occupy Wallstreet Movement, "The 99%" is short and viralable beating out other less viralable concepts such as "the other 98%" and "unemployed angry disfranchised middle class worker" althought both of them are more technical descriptive and somewhat more accurate.
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