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P.S. You Should Know... | Issue #132

👋 Welcome back to P.S. You Should Know… probably the best newsletter published on Sundays between 6-7
October 6 · Issue #132 · View online
P.S. You Should Know...
👋 Welcome back to P.S. You Should Know… probably the best newsletter published on Sundays between 6-7am CST, and definitely the best one published by me. Now in its third year!
Welcome to all our new subscribers! There are now over 360 intellectually curious readers who have opened their inbox to P.S. You Should Know…
I want to sincerely thank each of you for the opportunity to stay connected every week. Please reach out from time to time - it’s my favorite part of writing this newsletter.

my story 🚀
In the U.S. it’s not common to use week numbers. And yet, after re-reading “Your life in weeks” (link below) and noticing that Google Calendar has a dedicated area for displaying the week number, I couldn’t help but realize how quickly time marches on.
I encourage you to take this moment to pause and consider that there are 12 (13?) weeks left in 2019. About half of them will be punctuated with holidays. How will you be spending your time? My goal is to spend it with people who I like and respect working on projects that I find interesting.
One good option below… 😁
📅 Save the date for our second annual P.S. You Should Donate fundraiser and meetup: Thursday, October 24, 6:30 – 9:30pm.
Once again, we’ll be raising money to support two great local nonprofits: KICS Foundation and Common Threads. Last year we were able to raise over $1,200!
someone else's words 💬
👉 Like this quote? Yes 👍 OR No 👎
fun facts 🙌
World population by country. This 2019 data helped slightly open my eyes to how the world is changing. The U.S. is #3 with 329mm people, a 0.60% growth rate and a median age of 38. The country ranked #7 has a population of 200mm, is growing 4x faster and has a median age of 18. Oh, and it’s still only 51% urbanized. | learn more
How much is a prayer worth? Two researchers decided to find out. “As you might expect, religious people were willing to pay to be prayed for (more if it’s a priest, not a stranger). Rather more surprising, was the fact that the non-religious were willing to part with cold hard cash in order not to be prayed for.” | learn more
oh, chicago 🏆
The Illinois flag is terrible. “The North American Vexillological Association ranked Illinois’s flag 49th out of 72 state and provincial flags. So, what gives?” (From Wikipedia: Vexillology is the study of the history, symbolism and usage of flags or, by extension, any interest in flags in general.) | learn more
What CTA workers know. “Train operators, bus drivers, and station agents are the heart of Chicago’s circulatory system. Seeing the city through their eyes reveals us at our best and our worst.” | learn more
tech, startups, internet ⚡
What is a tech company? Ben Thompson of Stratechery takes us on a tour of tech companies over the decades to build a framework to classify whether a company fits the description. His framework is a great one (IMHO). Then he applies it to WeWork and Pelaton. Can you guess the outcomes? | learn more
Synthetic media, and why it will matter. Last year, betaworks had a discussion session about so-called Synthetic media, “… the term we use at betaworks to describe algorithmically created or modified media — the nefarious version of this are deepfakes.” The write-up is interesting, as is the format for discussion: they use a slide deck to prime the discussion & debate. | learn more
Disposable $100 IoT satellites could swarm Earth’s orbit. “The test satellites, essentially just sensors, were deployed in a batch in March. They captured data, communicated with one another, and then after a couple of days in orbit, as was planned, burned up as they reentered the atmosphere.” | learn more
better doing 🎯
Your life in weeks. This is an old post from Tim Urban at Wait But Why, and I don’t think I’ve shared it before. It’s an amazing reminder of how short life can be, and therefore a timely reminder to appreciate life now. | learn more
to your health ⚕
Why chess grandmasters lose weight playing chess. “You wouldn’t think that chess players, who sit for hours on end and extend their arms only from time to time, would struggle with weight loss. But they do. Inside the very real, very bizarre metabolic phenomenon gripping chess.” | learn more
Google says its AI detects 26 skin conditions as accurately as dermatologists. “…[W]hen the system was compared against … dermatologists, primary care physicians, and nurse practitioners … the team reports that its top three predictions demonstrated a top-3 diagnostic accuracy of 90%, or comparable to dermatologists (75%) and “substantially higher” than primary care physicians (60%) and nurse practitioners (55%).” | learn more
under the microscope 🔬
Truths about CBD from a cannabis researcher. “CBD is being hailed as a cure-all, but what does it do? Jeffrey Chen, executive director of the UCLA Cannabis Research Initiative, explains.” | learn more
DARPA wants to remove hallucinations from hallucinogens. They acknowledge that agents like psilocybin can be really useful, but wish they could use them without the pesky “deleterious neurological effects.“ | learn more
thoughts of food 🍔
Blue Apron goes from $2bn to $120mm in 2 years. “What happened and what can we learn?” A series of tweets by strategic finance consultant Adam Keesling. | learn more
big ideas 📚
Gates Foundation 2019 Goalkeepers report. Take the ~30 minutes to read this and you won’t regret it. Of particular interest is the report on India’s JAM policy mid-way through. “Examining Inequality: How geography and gender stack the deck for (or against) you.” | learn more
on the blockchain ⛓
Mark Cuban picks bananas over Bitcoin. In all fairness to Mark, he dislikes Bitcoin for the same reason he dislikes gold: “no intrinsic value.” | learn more
the end ✅
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