Ben Nadel's blog is worth a daily read. Probably half of his content these days is about JavaScript. Ben and his partner just raised $1.5 million for their Invision app that lets you build interactive prototypes using PhotoShop.<p><a href="http://techcrunch.com/2012/02/22/invision-raises-1-5m-for-beautiful-interactive-prototypes/" rel="nofollow">http://techcrunch.com/2012/02/22/invision-raises-1-5m-for-be...</a>