This week's book giveaway is in the Cloud/Virtualization forum. We're giving away four copies of Mastering Corda: Blockchain for Java Developers and have Jamiel Sheikh on-line! See this thread for details.
BTW, two of our recent guest authors, Simon Brown and Sandro Mancuso, gave talks at CraftConf 2015. Those are also posted on the CraftConf website. I have watched Simon's talk, have yet to get to Sandro's, which apparently is quite good as well.
The best ideas are the crazy ones. If you have a crazy idea and it works, it's really valuable.—Kent Beck