Try Harder? What a DEF CON Challenge Teaches Us About Resilience
Yesterday, I pondered whether generative AI might eventually kill Capture the Flag (CTF) competitions, such as the one my work team ran at DEF CONRead More
Is Generative AI Killing the Capture the Flag Competition?
Yesterday, I described watching hundreds of highly intelligent people submit the same obviously wrong answer to one of my DEF CON CTF challenges because anRead More
When AI Gets It Wrong: A Lesson in Human Judgment from DEF CON 34
“Hello, world.” The six to eight weeks leading up to DEF CON are always a bit overwhelming for me. Between my day job, preparations forRead More
1 responseServing First: Charlie Pasarell and a Life of Service to Tennis
Serving First: Dreams Realized and Lessons Learned from Family, Friends and a Life in Tennis is ostensibly the autobiography of Charlie Pasarell, but describing it simplyRead More
1 responseThe Code, Principle 13: Should You Call Your Own Shots Out?
Every Wednesday, this site examines a rule or governing principle that shapes how tennis is actually played. We are currently in the midst of aRead More
1 responseCan Soccer Toe Taps Improve Tennis Footwork
Every Tuesday, this site looks at a training or technology concept that shapes how tennis is played. This week’s topic comes from the recent intersectionRead More
Tennis Beyond the Headlines: August 10, 2026
This week’s stories range from soaring ticket prices and AI-assisted scouting to prediction markets, public-court technology, the Williams sisters, and the growing global influence ofRead More
Your Typical Tennis Is How Good You Actually Are
This post concludes the August installment of the Tennis Glow-Up series. Friday framed consistency as the ability to reduce unnecessary variation rather than eliminate bad days. Yesterday’sRead More
1 responseHow to Build Consistency in Tennis
Yesterday’s post established a baseline understanding of consistency. The best tennis players are not those who somehow avoid bad days. Rather, they are the onesRead More
What Consistency Really Means in Tennis
This post opens the August installment of the Tennis Glow-Up series. Throughout 2026, we have been dedicating the first full weekend of every month to intentional improvementRead More
1 response