This repository of free emergency talks is a mother lode of lectures. Joe Lex and the Temple gang have almost 2,000 lectures online by leading speakers. A life time's worth of education all in a single place!
If you can listen to it or watch it, post & find it here
People write, you read: post & find specific blogposts here
There may be an app for that. If so, find & post it here
Where to go, if you need to know: primary sources & texts
Need friends? - discover or post your favorite tweeters, bloggers, list-serves, and other social media here