A key security feature of Apple’s in-app billing feature for iOS apps has been down since Thursday night, making it difficult for app developers to verify legitimate sales and leaving some of them worried they’re losing money. Several developers have told Wired.com the verifyReceipt function, which ensures in-app purchases are valid, is showing an error whenever customers attempt to buy something through an app. Without verifyReceipt, faked purchase attempts could be made on iOS apps.

Sometimes you’re watching a random TV show on a random channel and you wonder, who was she again? What show was she in? And then you forget about it and those questions are left unanswered, your brain untapped

Microsoft gave out Samsung Windows 8 tablets at its 2011 BUILD Conference. Image: VentureBeat The future of Flash looks dimmer and dimmer as another major player in the mobile space shuns support of the platform. Microsoft’s brand new Windows 8 Metro user interface will not support Adobe Flash or other plug-ins, instead embracing the HTML5 set of web standards, according to Microsoft’s Internet Explorer team leader Dean Hachamovitch.

The good folks over at Skype have been mighty busy recently. In the last month (give or take a day) the company has announced integration with Facebook , launched a new version of its Windows client to support the social network, released an iPad-optimized version , and expanded Android support to an additional 17 handsets.

In this week’s app roundup: songs, made EPIC; DSLRs, controlled by Androids; trail maps, downloaded to your iPhone; photos, edited by a touch; sharks, made interactive; Rdio, iPadified; Skype, also iPadified; notifications light, customized and much, much more. More??