The Twitter feed of the US Department of Education's Office of Ed Tech is useful for keeping an eye on how education technology policy is being shaped.
A nice article that can help to guide learning experiences with social media and communicative software in the classroom. This article lists a lot of important considerations of the how and why we teacher certain concepts in this topic to students.
Until I saw this article I have only ever heard of "hour of code" to teach students about coding. Some of these apps are great suggestions for introducing code and giving them experiences working with it.
As someone that thinks a basic introduction to programming should be a critical part of computer literacy courses, I think the fact that there are now so many resources for this is great!