Ucash.in – anyone ever used it?

http://ucash.in/
I am not affiliated with it in any way. I’m just wondering if anyone has ever taken part in it and what your experiences have been. Is it worth it?
Here’s from their main page.

Quote:

What is Ucash.in?
Every day millions of links are posted in forums, emails, chat, social networks and websites.
Ucash.in provides the ability to combine three important aspects, social bookmarking, a url service that converts long url links into shorter url links, and a service that turns your existing links and new links into cash!
Great for bloggers, forum users, webmasters, business users and more. Ucash.in makes it easy and simple to get paid for posting and sharing links.
Turn Links into Cash
When your Ucash links are clicked on, you make revenue from a redirect that can be an interstitial or top frame type advertisement. The current Revenue Sharing Rate (RSR) is $1 US for every 4000 top banner ad […]

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