SlashGear writes, Netflix has officially detailed its Apple AirPlay alternative, DIAL, created in collaboration with YouTube and promising intuitive second-screen entertainment. Already garnering the support of the BBC, Sony, Hulu, and Samsung, DIAL – or “discovery and launch” – aims to streamline the second-screen experience, by automatically discovering compliant devices and starting up apps on them. So, the Netflix app on your phone will be able to spot any Netflix-compatible TVs nearby, and open up the functionality instantly. That way, rather than forcing users to open up an app on their phone or…