That would make the new Afghan strategy similar to that Patraeus used in Iraq under the so- called surge from early 2007.

One of Uber's innovations is so- called surge pricing, under which rates go up at times of high demand or low supply of cars.

I arrived in Baghdad in January 2007, just before the so- called surge of 30,000 extra U.S. troops into Iraq began.

On foreign policy, he backed the 2003 Iraq invasion but was an outspoken opponent of the so- called surge of 2007 to 2008.

Once a site is up, visitors only need to download a single plug-in called Surge to view the accelerated pages.

Called surge pricing, this practice by e-hailing services such as Uber, sees consumers paying higher amounts during peak times and events.