Years ago, I lost my temper while arguing with my brother, and said, "Jeff, I could teach you everything I know and you'd still be an idiot." Please keep that in mind as you read this site.

Recent posts


Q: How many TED speakers does it take to screw in a lightbulb? A: It’s a really obscure number—you won’t have heard of it.
April 21, 2019

Learning Curves

I keeping thinking about the idea of a learning curve, but I only realized this morning that the phrase is a little strange. When we say that something has “...
April 17, 2019

What Docs When

Note: this post updates an earlier one based on feedback from several people. Please keep the comments coming.
April 16, 2019

An Exchange with DataCamp

I haven’t spoken publicly about my experience with DataCamp out of respect for Kara Woo’s privacy. Now that she has so bravely come forward, I can say that a...
April 15, 2019