It seems like a no brainer once the masses find out about this. My facebook is full of shit posting all day long. When those type of people find out they can get paid for doing what they already do, it's going to be interesting to say the least.
It's definitely very useful for advertising "Amplifying" links.
I think the referral/advertising business will be the biggest target audience for this app. We can easily see the price at 0.03
BTC in notime.