Apple's iPhone, iPad and iPod Touch users spent almost half a billion dollars on apps and in-app purchases during the first week of January -- a new record for the App Store, the company announced Thursday. Apple said: "Last year billings at the App Store increased by 50 percent over 2013, the company said, and app sales provided iOS developers with more than $10 billion in revenue -- bringing the total earned by developers to date to $25 billion"