OPEN UP! Blogger George Siemens shares in elearnspace a brief history of the open-source movement, the "Hacker Way" so championed by Zuckerberg, and how today's digital revolutions is ripe for new iterations of our closed education infrastructure. Key takeaway: with data increasingly used to pick what we read, watch and like, it's only "ethical" and "imperative" for us to understand how schools--and tools themselves--make decisions related to our learning.