This month’s mailbag kicks off with some original poetry and wraps up with a serendipitous plug for next month’s interview. In-between, we’ll hear from our resident tax expert, follow-up on your blockchain and Bitcoin questions, and take a peek at Fool Culture.

For a free trial of FreshBooks accounting software, visit FreshBooks.com/FOOL and enter MOTLEY FOOL in the “How Did You Hear About Us?” section.

You asked for it! Today we tackle one of our most requested topics, as David is joined by Motley Fool Analyst Aaron Bush, to discuss the past, present, and future of blockchain technology. What is a blockchain? What companies are benefitting from them? Should you buy some Bitcoins? Tune in to find out!

Thanks to Harry’s for supporting Motley Fool. Get your Free Trial Set – go to Harrys.com/fool

It’s back to basics today as we revisit some of the most important tenets of Rule Breaker Investing. If you’re well steeped in Foolishness, these truths may indeed seem self-evident, but to much of the investing world, they’re still wildly contrarian. Hint: you might want to share this episode with someone who doesn’t get it yet!

Today we have the privilege of interviewing the expert on expertise, Anders Ericsson. In his book, Peak: Secrets from the New Science of Expertise, Anders and his collaborator, Robert Pool, introduce a powerful approach to learning through "deliberate practice" — a concept that has been popularized as the "10,000 hour" rule. But we move beyond the shorthand and discover how to harness the full potential of human performance.