10 apps that are gone forever

Since launching back in July 2008, Apple's iPhone/iPod App Store has amassed more than 100,000 applications, all of which have gone through an approval process that checks for bad code and violations to Apple's developer's agreement. Though along the way, a few apps have slipped through, either by mistake or pure luck.  

Before being taken down by Apple (often for good), a few lucky souls may have downloaded these apps. Those users can still use these apps, while the rest of us can't, making them a collectors item in the world of mobile software.

Here are 10 notable pulls, listed in no particular order.