under the microscope

Beware mass-produced medical recommendations

A couple weeks ago I shared a recent study showing extreme benefits of vitamin D for Covid-19 patients (or maybe the extreme detriments of vitamin D deficiency). More on the curious case of vitamin D, and the murky world of understanding science. | learn […]

retail therapy

Interview with Shopify’s President

Harvey Finkelstein has an interesting story. One of the first merchants on Shopify with a t-shirt store, he joined the team a few years in, becoming COO and now President. He has a unique perch to see the development of […]

retail therapy

Resetting online commerce

From Benedict Evans: “What’s going to happen in ecommerce and retail? TV? TV ads? Retail? Brands? Online advertising? There are half a dozen huge industries where all of the cards are being thrown up in the air, and no-one really […]

to your health

Are we ready for the cure for cancer?

New therapeutics bring us to the brink of fixing underlying causes of many diseases. But, “If we can’t do those “easy” things—test for the virus, provide medical care for those that need it, even just get people the right PPE—how […]

better doing

Five monkeys, a ladder, a banana and a water spray

There’s an apocryphal story of an experiment that highlights how group norms form and stick around – with monkeys! Despite it likely being made up, I still love it. I think of it whenever I hear “that’s the way we’ve […]

tech, startups, internet

Proof of X

“At their core, social networks are primarily about one thing: Building social capital through signaling.” This post is much more interesting than the title suggests. Starting with Strava (fitness social network) as proof-of-physical-activity leads to many thought-provoking ideas of Strava […]

tech, startups, internet

Understanding biotech investing

“As with startups, biotech companies have high failure rates: 90% of clinical programs fail to receive FDA approval, while 92% of biotech companies are unprofitable at any given time.” | learn more

fun facts

The curious case of haunted house pricing.

This is about real haunted houses, not the Halloween variety. “Exploiting the unique institutional setting of Hong Kong’s real estate market, we uncover a curious ripple effect of haunted houses on the prices of nearby houses. Prices drop on average 20% for […]

fun facts

AI magic makes century-old films look new

I came here for the colorized and sharpened San Francisco, a Trip down Market Street, and it was great. There is also upgraded old footage from France, Japan and the Moon! | learn more