Failure to reach agreement on the seven-year budget would mean the EU rolling over annual budgets - a method that would be more expensive and would complicate long-term projects.

BBC: EU budget: Leaders edge towards compromise deal

Manipulating the shape of the threads using this method, called thread-rolling, was thought to be impossible because it would be too hard to control the structure of the screw if metal oozed into odd shapes.

FORBES: Magazine Article

Since the company launched the Alpha of Facebook Credits in May of 2009, the company has worked with a small number of developers in rolling out the institution of Credits as the method of payment for online games hosted by Facebook.

FORBES: Facebook Credits Opens Up to More Developers, Adds More Ways to Pay