It's a good time to be a Facebook developer, because the social network keeps adding new ways to interact with their Facebook platform. Along with the create application API we covered, there's an improved events interface and the long-awaited ads API.
eBay has introduced HeadGaze, a technology that allows users to control an iPhone through head motions. The technology uses Apple's ARKit and resulted in a test app that allows users to swipe through deals on eBay (HeadSwipe). eBay has open sourced the technology and posted on GitHub.