Virality and influence

Check out this tweet from PSFK about getting a job at W+K:

Transient
Transient

What is the common theme among these challenges?

Virality and influence. 

When you next create original content (either for yourself or your brand), how will you measure it's virality and influence? Do you even care about those things? As a marketer ... should you? W+K seems to think so and they made this: 

Virality and influence ... care about them.