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P.S. You Should Know... | Issue #272

June 12 · Issue #272 · 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 sixth year!

my story 🚀
  1. “When I feel like I want to puke, that’s when I press the buy button.” That was the response to my question about how to manage psychology and be prepared to invest in times of turmoil. That, and checklists! Thanks KM.
  2. Change your furnace air filter. We had a small water leak due to a dirty air filter in a rental property. I usually leave a box of filters for tenants and insist they change them regularly, but this time I didn’t have a chance to meet the new tenants in person, so I forgot. Please learn from my mistake!
fun facts 🙌
DALL-E places Kermit the Frog into old movies. What great fun! | learn more
Lifeguards in LA can make a lot of money. First take your best guess how much, then click. Definitely don’t guess below 6-figures. | learn more
A California appeals court has ruled four species of bumblebees are legally fish. Words can be flexible! | learn more
The bizarre paths of groundwater around structures. For the engineering enthusiasts among us: “Next time you see a dam, retaining wall, caisson, or any other subsurface construction, there’s a good chance that engineers have had to consider how groundwater will affect the stability. Even though you’d never know they’re there, some combination of drains and cutoffs were probably installed to keep the structure (and the people around it) safe and sound.” | learn more
tech, startups, internet ⚡
Axon (formerly Taser) loses 9 of 12 members of its AI ethics board. The company had a half-baked plan to deploy armed drones in schools. “After several years of work, the company has fundamentally failed to embrace the values that we have tried to instill,” the departing members write. “We have lost faith in Axon’s ability to be a responsible partner.” | learn more
15,000 tech workers have been let go in May. “In these moments there tends to be a lot of content to help CEOs and founders manage through a downturn, but not as much for those team members impacted. So let me take a (non-exhaustive) cut at Things You Should Know If You’ve Been RIF’ed….” | learn more
How should Seed startups think about cash runway? Henri Pierre-Jacques from Harlem Capital has advice. “I find many founders overestimate how far they can get on the cash they raise. This is more important in a downturn.” | learn more
better doing 🎯
Skepticism and denial. “Often, people in denial pretend to be skeptics.” | learn more
to your health ⚕
Hemochromatosis is a disorder in which extra iron builds up in the body. “The American Red Cross, however, does not permit people with hemochromatosis to donate blood. Why not? The blood is safe and effective. The blood of these patients doesn’t have much, if any, extra iron (the iron builds up in the body not so much in the blood per se). The “problem” is that people with hemochromatosis benefit themselves by giving blood and for this reason their blood is considered tainted by the American Red Cross.” | learn more
retail therapy 💸
Shrinkflation has become endemic. This is when a product price stays the same while its quantity decreases. It happens often in the CPG world. “One upside to shrinkflation is it might save you some calories. If your candy bar is now 1.5 ounces instead of 2 ounces, you’re unlikely to eat a second one and therefore your calories reduce by 25%. Of course, you don’t save any money.” | learn more
On stretch wrap. “If the container is what allows things to move from land to sea to land, and the pallet is what allows products to be moved from warehouses to containers to trucks to distribution centers, then stretch wrap is what allows diverse products to be bundled together and made anew as palletized cargo.” | learn more
under the microscope 🔬
A wearable monitors glucose, alcohol, and lactate levels in real-time. I not-so-boldly predict the hardware we have access to as consumers will continue to get better and cheaper. “The device is about the size of a stack of six quarters. It is applied to the skin through a Velcro-like patch of microscopic needles, or microneedles, that are each about one-fifth the width of a human hair.” | learn more
Could gut microbes regulate appetite and body temperature? “[R]esearchers studying mice have worked out how bacteria in the mammalian gut can ping the brain to regulate an animal’s appetite and body temperature—and it involves the same molecular pathway the immune system uses to detect bacterial pathogens.” | learn more
on the blockchain ⛓
Crypto’s biggest scams of all time. “The SEC is starting to take action while the scams are getting bolder. So enjoy a little Sunday school lesson in digital con artistry (and maybe a tiny bit of schadenfreude) as we highlight the 11 biggest crypto scams and NFT rug pulls of all time.” | learn more
The Ball Multicoin Bitwise metaverse Index. Multicoin Capital teamed up with “Matthew Ball (who has established himself as the defining voice on the metaverse on the web), and Bitwise (the most prominent crypto-native asset management firm focused on passive investments) to create the Ball Multicoin Bitwise Metaverse Index.” | learn more
calls to action 👇
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